Implemented new campaign/session stable inputs and corresponding input source references

docs/config.md

@@ -44,7 +44,7 @@ using configured object storage.
 - Session files must be concrete; unresolved `{{ ... }}` placeholders fail load.
 - Pipeline defaults are applied before validation.
 - Campaign and session identities must agree.
-- Stable files (`speakers_file`, `autocorrect_file`, `glossary_file`) resolve from session overrides when provided, otherwise from campaign defaults.
+- Stable files (`speakers_file`, `autocorrect_file`, `glossary_file`, `players_file`, `party_file`) resolve from session overrides when provided, otherwise from campaign defaults.
 - Exactly one audio mode must be configured in session input:
   - local (`audio_dir` or `audio_files`), or
   - S3 (`audio_s3.prefix`).
@@ -69,6 +69,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 ```
 
 `session.yml` (local audio)
@@ -184,12 +186,12 @@ Rules:
 | `pipeline.normalize.output_path` | string | No | `transcripts/final.json` |
 | `pipeline.normalize.output_schema` | string | No | `seriatim-intermediate` |
 | `pipeline.normalize.report` | bool | No | `true` |
-| `pipeline.trim.enabled` | bool | No | `false` |
+| `pipeline.trim.enabled` | bool | No | `true` |
-| `pipeline.trim.output_path` | string | Conditional | required when trim enabled |
+| `pipeline.trim.output_path` | string | No | `transcripts/final.trimmed.json` |
-| `pipeline.trim.bounds.prompt_id` | string | Conditional | required when trim enabled |
+| `pipeline.trim.bounds.prompt_id` | string | No | `dnd.session_bounds` |
 | `pipeline.trim.bounds.profile_id` | string | No | empty |
-| `pipeline.trim.bounds.transcript_input_name` | string | Conditional | required when trim enabled |
+| `pipeline.trim.bounds.transcript_input_name` | string | No | `transcript` |
-| `pipeline.trim.bounds.output_path` | string | Conditional | required when trim enabled |
+| `pipeline.trim.bounds.output_path` | string | No | `artifacts/session_bounds.json` |
 | `pipeline.trim.bounds.timeout` | duration | No | `10m` |
 | `pipeline.trim.bounds.render_debug` | bool | No | `false` |
 | `pipeline.trim.bounds.render_output_path` | string | Conditional | required when `render_debug` is true |
@@ -229,7 +231,7 @@ For each artifact input `pipeline.scriptorium.artifacts.<name>.inputs.<input_nam
 
 | Field | Type | Required | Rule |
 | --- | --- | --- | --- |
-| `source` | string | Yes | built-in runtime source, `narratio.artifact.<name>`, or `narratio.previous_session.artifact.<name>` |
+| `source` | string | Yes | built-in runtime source, prepared input source, `narratio.artifact.<name>`, or `narratio.previous_session.artifact.<name>` |
 | `artifact` | string | No | optional passthrough adapter field |
 | `path` | string | No | optional passthrough adapter field |
 | `required` | bool | No | optional input requirement |
@@ -243,6 +245,8 @@ For each artifact input `pipeline.scriptorium.artifacts.<name>.inputs.<input_nam
 | `inputs.speakers_file` | string | Yes | stable input default |
 | `inputs.autocorrect_file` | string | Yes | stable input default |
 | `inputs.glossary_file` | string | Yes | stable input default |
+| `inputs.players_file` | string | Yes | stable input default |
+| `inputs.party_file` | string | Yes | stable input default |
 
 ### Session
 
@@ -256,6 +260,8 @@ For each artifact input `pipeline.scriptorium.artifacts.<name>.inputs.<input_nam
 | `inputs.speakers_file` | string | No | overrides campaign stable input |
 | `inputs.autocorrect_file` | string | No | overrides campaign stable input |
 | `inputs.glossary_file` | string | No | overrides campaign stable input |
+| `inputs.players_file` | string | No | overrides campaign stable input |
+| `inputs.party_file` | string | No | overrides campaign stable input |
 | `inputs.audio_dir` | string | Conditional | local audio mode |
 | `inputs.audio_files[]` | list[string] | Conditional | local audio mode |
 | `inputs.audio_s3.prefix` | string | Conditional | S3 audio mode |

docs/internal/stage-analyze.md

@@ -10,6 +10,7 @@ Execute selected configured Scriptorium artifacts in dependency order and materi
 
 Supported source families:
 - built-ins: `narratio.transcript.*`, `narratio.bounds.session`
+- prepared stable inputs: `narratio.input.players`, `narratio.input.party`, `narratio.input.glossary`
 - configured artifacts: `narratio.artifact.<key>`
 - previous-session cache: `narratio.previous_session.artifact.<key>`
 
@@ -23,12 +24,14 @@ Supported source families:
 - marks non-executable configured artifacts as reusable when output files already exist.
 - validates selected artifact dependency order (cycle-safe topo ordering).
 - resolves required/optional inputs per artifact source definition.
+- resolves prepared stable input sources from `inputs/*.yml` materialized by `prepare`.
 - resolves previous-session sources from local `previous/` cache only.
 - runs optional render-debug, then artifact execution.
 - validates non-empty output files and materializes canonical outputs.
 
 ## Failure Semantics
 - required missing configured/previous-session inputs fail.
+- missing required prepared stable input source includes prepare rerun guidance.
 - missing required previous-session source includes prepare rerun guidance.
 - missing required `narratio.transcript.final_markdown` or `narratio.transcript.final_trimmed_markdown` inputs includes render rerun guidance.
 - dependency cycles or unavailable required dependencies fail.

docs/internal/stage-prepare.md

@@ -5,7 +5,7 @@ Materialize canonical current-session inputs before processing stages.
 
 ## Inputs
 - resolved `campaign.yml`, `session.yml`, and pipeline config
-- stable input files (`speakers`, `autocorrect`, `glossary`)
+- stable input files (`speakers`, `autocorrect`, `glossary`, `players`, `party`)
 - audio source:
   - local `audio_dir`/`audio_files`, or
   - S3 `audio_s3.prefix`
@@ -18,6 +18,8 @@ Materialize canonical current-session inputs before processing stages.
 - `inputs/speakers.yml`
 - `inputs/autocorrect.yml`
 - `inputs/glossary.yml`
+- `inputs/players.yml`
+- `inputs/party.yml`
 - `audio/*.flac`
 - optional `previous/manifest.json`
 - optional `previous/artifacts/**`

docs/internal/stage-trim.md

@@ -1,7 +1,7 @@
 # Stage: trim
 
 ## Purpose
-Produce a final-trimmed transcript; optionally generate bounds-driven trim.
+Produce a final-trimmed transcript. By default, the stage generates bounds and applies a bounds-driven trim.
 
 ## Inputs
 - `transcripts/final.json`
@@ -11,9 +11,6 @@ Produce a final-trimmed transcript; optionally generate bounds-driven trim.
 - when trim enabled: `artifacts/session_bounds.json`
 
 ## Key Behavior
-When `trim.enabled=false`:
-- copies normalized transcript to trimmed output.
-
 When `trim.enabled=true`:
 - runs Scriptorium bounds artifact generation;
 - optionally runs render-debug output generation;
@@ -22,6 +19,9 @@ When `trim.enabled=true`:
 - either copies unchanged transcript or runs Seriatim trim;
 - validates trimmed transcript and materializes bounds output.
 
+When `trim.enabled=false`:
+- copies normalized transcript to trimmed output.
+
 ## Invariants
 - normalized transcript is required input.
 - bounds output exists only in enabled trim path.

docs/operations.md

@@ -36,6 +36,8 @@ narratio session init 2026-04-04 --remote --force
 
 If `campaign.yml` sets `session_template_file`, `session init` renders it. Template variables must resolve to concrete values.
 
+Campaigns must provide stable input files for speakers, autocorrect, glossary, players, and party. Session files may override those paths for one session. The `prepare` stage materializes them under `inputs/`; configured Scriptorium artifacts can reference prepared `players`, `party`, and `glossary` files with `narratio.input.players`, `narratio.input.party`, and `narratio.input.glossary`.
+
 ## Standard Session Workflow
 
 1. Select pipeline/campaign/session config.

examples/campaigns/sample-campaign/campaign.yml

@@ -4,3 +4,5 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml

examples/campaigns/sample-campaign/party.yml

@@ -0,0 +1,2 @@
+- name: Example Hero
+  type: pc

examples/campaigns/sample-campaign/players.yml

@@ -0,0 +1,2 @@
+- name: Example Player
+  role: player

examples/pipeline.full.annotated.yml

@@ -110,17 +110,16 @@ normalize:
   report: true
 
 trim:
-  # Keep disabled unless bounds prompt integration is configured.
+  # Optional; defaults shown explicitly.
-  enabled: false
+  enabled: true
   output_path: transcripts/final.trimmed.json
   bounds:
     prompt_id: dnd.session_bounds
-    profile_id: local-fast
+    profile_id: ""
     transcript_input_name: transcript
-    output_path: reports/session_bounds.json
+    output_path: artifacts/session_bounds.json
     timeout: 10m
     render_debug: false
-    render_output_path: reports/session_bounds.render.json
   seriatim:
     report: false
 
@@ -144,6 +143,15 @@ scriptorium:
         previous_recap:
           source: narratio.previous_session.artifact.session_recap
           required: false
+        players:
+          source: narratio.input.players
+          required: true
+        party:
+          source: narratio.input.party
+          required: true
+        glossary:
+          source: narratio.input.glossary
+          required: false
       vars:
         session_id: true
         session_date: true

examples/pipeline.production.yml

@@ -71,9 +71,6 @@ normalize:
   output_schema: seriatim-intermediate
   report: true
 
-trim:
-  enabled: false
-
 scriptorium:
   binary: scriptorium
   config_path: /usr/local/etc/scriptorium/config.yml
@@ -93,6 +90,15 @@ scriptorium:
         previous_recap:
           source: narratio.previous_session.artifact.session_recap
           required: false
+        players:
+          source: narratio.input.players
+          required: true
+        party:
+          source: narratio.input.party
+          required: true
+        glossary:
+          source: narratio.input.glossary
+          required: false
       vars:
         session_id: true
         session_date: true

internal/app/commands_test.go

@@ -227,6 +227,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	if err := os.WriteFile(pipelinePath, []byte(pipelineYAML), 0o644); err != nil {
 		t.Fatalf("write pipeline.yml: %v", err)
@@ -290,6 +292,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	if err := os.WriteFile(pipelinePath, []byte(pipelineYAML), 0o644); err != nil {
 		t.Fatalf("write pipeline.yml: %v", err)
@@ -385,10 +389,14 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `)
 	mustWriteTestFile(t, filepath.Join(otherDir, "speakers.yml"), "match:\n  - speaker: Alice\n    match: [\"alice\"]\n")
 	mustWriteTestFile(t, filepath.Join(otherDir, "autocorrect.yml"), "[]\n")
 	mustWriteTestFile(t, filepath.Join(otherDir, "glossary.yml"), "[]\n")
+	mustWriteTestFile(t, filepath.Join(otherDir, "players.yml"), "[]\n")
+	mustWriteTestFile(t, filepath.Join(otherDir, "party.yml"), "[]\n")
 
 	var stdout bytes.Buffer
 	var stderr bytes.Buffer
@@ -466,10 +474,13 @@ func writeValidConfigFiles(t *testing.T, workspaceRoot string, transcribeURL ...
 		url = transcribeURL[0]
 	}
 	seriatimBinary := writeSeriatimAppTestWrapper(t)
+	scriptoriumBinary := writeScriptoriumAppTestWrapper(t)
 	auditaBinary := writeAuditaAppTestWrapper(t)
 	t.Setenv("GO_WANT_APP_SERIATIM_HELPER", "1")
+	t.Setenv("GO_WANT_APP_SCRIPTORIUM_HELPER", "1")
 	t.Setenv("GO_WANT_APP_AUDITA_HELPER", "1")
 	t.Setenv("AUDITA_LLM_API_KEY", "test-audita-key")
+	t.Setenv("PATH", filepath.Dir(scriptoriumBinary)+string(os.PathListSeparator)+os.Getenv("PATH"))
 
 	pipelineYAML := `workspace:
   root: ` + workspaceRoot + `
@@ -514,6 +525,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 
 	if err := os.WriteFile(pipelinePath, []byte(pipelineYAML), 0o644); err != nil {
@@ -532,6 +545,8 @@ inputs:
 	mustWriteTestFile(t, filepath.Join(campaignDir, "speakers.yml"), "match:\n  - speaker: Alice\n    match: [\"alice\"]\n")
 	mustWriteTestFile(t, filepath.Join(campaignDir, "autocorrect.yml"), "[]\n")
 	mustWriteTestFile(t, filepath.Join(campaignDir, "glossary.yml"), "[]\n")
+	mustWriteTestFile(t, filepath.Join(campaignDir, "players.yml"), "[]\n")
+	mustWriteTestFile(t, filepath.Join(campaignDir, "party.yml"), "[]\n")
 	mustWriteTestFile(t, filepath.Join(dir, "audio", "alice.flac"), "audio-bytes")
 
 	return pipelinePath, campaignPath, sessionPath
@@ -545,6 +560,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	if err := os.WriteFile(campaignPath, []byte(campaignYAML), 0o644); err != nil {
 		t.Fatalf("write campaign.yml: %v", err)
@@ -591,6 +608,60 @@ func writeSeriatimAppTestWrapper(t *testing.T) string {
 	return path
 }
 
+func writeScriptoriumAppTestWrapper(t *testing.T) string {
+	t.Helper()
+	exe, err := os.Executable()
+	if err != nil {
+		t.Fatalf("os.Executable() error = %v", err)
+	}
+	path := filepath.Join(t.TempDir(), "scriptorium")
+	content := "#!/bin/sh\nexec \"" + exe + "\" -test.run=TestScriptoriumAppHelper -- \"$@\"\n"
+	if err := os.WriteFile(path, []byte(content), 0o755); err != nil {
+		t.Fatalf("WriteFile(%q): %v", path, err)
+	}
+	return path
+}
+
+func TestScriptoriumAppHelper(t *testing.T) {
+	if os.Getenv("GO_WANT_APP_SCRIPTORIUM_HELPER") != "1" {
+		return
+	}
+
+	args := os.Args
+	start := -1
+	for i := range args {
+		if args[i] == "--" {
+			start = i + 1
+			break
+		}
+	}
+	if start < 0 || start >= len(args) {
+		_, _ = os.Stderr.WriteString("missing -- args separator\n")
+		os.Exit(2)
+	}
+	runArgs := args[start:]
+
+	outputPath := appSeriatimFlagValue(runArgs, "--out")
+	if strings.TrimSpace(outputPath) == "" {
+		outputPath = appSeriatimFlagValue(runArgs, "--output")
+	}
+	if strings.TrimSpace(outputPath) == "" {
+		_, _ = os.Stderr.WriteString("missing output flag\n")
+		os.Exit(2)
+	}
+	if err := os.MkdirAll(filepath.Dir(outputPath), 0o755); err != nil {
+		_, _ = os.Stderr.WriteString(fmt.Sprintf("mkdir output dir: %v\n", err))
+		os.Exit(2)
+	}
+	if err := os.WriteFile(outputPath, []byte(`{"trim_action":"copy","warnings":[]}`), 0o644); err != nil {
+		_, _ = os.Stderr.WriteString(fmt.Sprintf("write output: %v\n", err))
+		os.Exit(2)
+	}
+	_, _ = os.Stdout.WriteString("scriptorium helper stdout\n")
+	_, _ = os.Stderr.WriteString("scriptorium helper stderr\n")
+	os.Exit(0)
+}
+
 func TestSeriatimAppHelper(t *testing.T) {
 	if os.Getenv("GO_WANT_APP_SERIATIM_HELPER") != "1" {
 		return

internal/app/operator_helpers_test.go

@@ -109,12 +109,16 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `), 0o644); err != nil {
 		t.Fatalf("write explicit campaign: %v", err)
 	}
 	mustWriteTestFile(t, filepath.Join(explicitDir, "speakers.yml"), "match:\n  - speaker: Alice\n    match: [\"alice\"]\n")
 	mustWriteTestFile(t, filepath.Join(explicitDir, "autocorrect.yml"), "[]\n")
 	mustWriteTestFile(t, filepath.Join(explicitDir, "glossary.yml"), "[]\n")
+	mustWriteTestFile(t, filepath.Join(explicitDir, "players.yml"), "[]\n")
+	mustWriteTestFile(t, filepath.Join(explicitDir, "party.yml"), "[]\n")
 
 	fake := &storage.FakeBackend{}
 	var storeInitCalls int
@@ -445,6 +449,9 @@ inputs:
 	if !strings.Contains(stdout.String(), "OK    audio") {
 		t.Fatalf("stdout = %q, want OK audio", stdout.String())
 	}
+	if !strings.Contains(stdout.String(), "OK    inputs     players:") || !strings.Contains(stdout.String(), "OK    inputs     party:") {
+		t.Fatalf("stdout = %q, want players and party input findings", stdout.String())
+	}
 }
 
 func TestExecuteLocksAddListAndRemoveUseRemoteLockStore(t *testing.T) {
@@ -862,6 +869,8 @@ func TestExecuteStatusReportsRemoteArtifactCatalog(t *testing.T) {
 		"narratio.transcript.final_trimmed locked",
 		"narratio.transcript.final_trimmed locked remote=published",
 		"narratio.transcript.final dest=transcripts/full.json remote=published",
+		"Stable input players:",
+		"Stable input party:",
 	} {
 		if !strings.Contains(out, want) {
 			t.Fatalf("stdout = %q, want %q", out, want)

internal/app/operator_inspection.go

@@ -57,6 +57,8 @@ func inspectStableInputs(cfg *config.Config) []stableInputCheck {
 		{name: "speakers", in: cfg.StableInputs.SpeakersFile},
 		{name: "autocorrect", in: cfg.StableInputs.AutocorrectFile},
 		{name: "glossary", in: cfg.StableInputs.GlossaryFile},
+		{name: "players", in: cfg.StableInputs.PlayersFile},
+		{name: "party", in: cfg.StableInputs.PartyFile},
 	}
 	out := make([]stableInputCheck, 0, len(items))
 	for _, item := range items {

internal/app/plan_test.go

@@ -118,6 +118,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	if err := os.WriteFile(pipelinePath, []byte(pipelineYAML), 0o644); err != nil {
 		t.Fatalf("write pipeline.yml: %v", err)

internal/app/restore_test.go

@@ -397,6 +397,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	if err := os.WriteFile(pipelinePath, []byte(pipelineYAML), 0o644); err != nil {
 		t.Fatalf("write pipeline config: %v", err)
@@ -407,6 +409,8 @@ inputs:
 	mustWriteTestFile(t, filepath.Join(dir, "speakers.yml"), "alice: alice.flac\n")
 	mustWriteTestFile(t, filepath.Join(dir, "autocorrect.yml"), "[]\n")
 	mustWriteTestFile(t, filepath.Join(dir, "glossary.yml"), "[]\n")
+	mustWriteTestFile(t, filepath.Join(dir, "players.yml"), "[]\n")
+	mustWriteTestFile(t, filepath.Join(dir, "party.yml"), "[]\n")
 	mustWriteTestFile(t, filepath.Join(dir, "audio", "alice.flac"), "audio-bytes")
 
 	return pipelinePath, campaignPath, sessionPath

internal/app/run_stage_test.go

@@ -236,8 +236,8 @@ func TestRunStageTrimExecutes(t *testing.T) {
 	if m.Stages["trim"] == nil || m.Stages["trim"].Status != manifest.StatusSucceeded {
 		t.Fatalf("trim stage = %#v, want succeeded", m.Stages["trim"])
 	}
-	if m.Stages["trim"].Metadata == nil || m.Stages["trim"].Metadata["trim_action"] != "copy_disabled" {
+	if m.Stages["trim"].Metadata == nil || m.Stages["trim"].Metadata["trim_action"] != "copy" {
-		t.Fatalf("trim stage metadata = %#v, want trim_action=copy_disabled", m.Stages["trim"].Metadata)
+		t.Fatalf("trim stage metadata = %#v, want trim_action=copy", m.Stages["trim"].Metadata)
 	}
 }
 

internal/app/runner_test.go

@@ -1024,11 +1024,13 @@ func testConfig(t *testing.T) *config.Config {
 	pipelinePath := filepath.Join(cfgDir, "pipeline.yml")
 
 	mustWriteFile(t, pipelinePath, "workspace:\n  root: "+workspace+"\n")
-	mustWriteFile(t, campaignPath, "campaign_id: sample-campaign\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n")
+	mustWriteFile(t, campaignPath, "campaign_id: sample-campaign\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n  players_file: ./players.yml\n  party_file: ./party.yml\n")
 	mustWriteFile(t, sessionPath, "session_id: 2026-05-03\ncampaign: sample-campaign\ninputs:\n  audio_dir: ./audio\n")
 	mustWriteFile(t, filepath.Join(cfgDir, "speakers.yml"), "alice: alice.flac\n")
 	mustWriteFile(t, filepath.Join(cfgDir, "autocorrect.yml"), "[]\n")
 	mustWriteFile(t, filepath.Join(cfgDir, "glossary.yml"), "[]\n")
+	mustWriteFile(t, filepath.Join(cfgDir, "players.yml"), "[]\n")
+	mustWriteFile(t, filepath.Join(cfgDir, "party.yml"), "[]\n")
 	mustWriteFile(t, filepath.Join(cfgDir, "audio", "alice.flac"), "audio")
 
 	return &config.Config{
@@ -1053,6 +1055,16 @@ func testConfig(t *testing.T) *config.Config {
 				ConfigPath: campaignPath,
 				Source:     "campaign_config",
 			},
+			PlayersFile: config.ResolvedInputFile{
+				Path:       "./players.yml",
+				ConfigPath: campaignPath,
+				Source:     "campaign_config",
+			},
+			PartyFile: config.ResolvedInputFile{
+				Path:       "./party.yml",
+				ConfigPath: campaignPath,
+				Source:     "campaign_config",
+			},
 		},
 		Session: &config.SessionConfig{
 			SessionID: "2026-05-03",
@@ -1062,6 +1074,8 @@ func testConfig(t *testing.T) *config.Config {
 				SpeakersFile:    "./speakers.yml",
 				AutocorrectFile: "./autocorrect.yml",
 				GlossaryFile:    "./glossary.yml",
+				PlayersFile:     "./players.yml",
+				PartyFile:       "./party.yml",
 			},
 		},
 	}
@@ -1084,6 +1098,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	sessionYAML := `session_id: 2026-05-03
 campaign: sample-campaign
@@ -1092,6 +1108,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	mustWriteFile(t, pipelinePath, pipelineYAML)
 	mustWriteFile(t, campaignPath, campaignYAML)

internal/app/session_cli_test.go

@@ -22,6 +22,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	if err := os.WriteFile(sessionPath, []byte(sessionTemplate), 0o644); err != nil {
 		t.Fatalf("write session template: %v", err)
@@ -75,6 +77,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	if err := os.WriteFile(sessionPath, []byte(sessionYAML), 0o644); err != nil {
 		t.Fatalf("write session.yml: %v", err)

internal/artifactpolicy/policy.go

@@ -13,6 +13,10 @@ import (
 const (
 	SourceBoundsSession = "narratio.bounds.session"
 
+	SourceInputPlayers  = "narratio.input.players"
+	SourceInputParty    = "narratio.input.party"
+	SourceInputGlossary = "narratio.input.glossary"
+
 	configuredSourcePrefix      = "narratio.artifact."
 	previousConfiguredSrcPrefix = "narratio.previous_session.artifact."
 )
@@ -31,6 +35,7 @@ const (
 	SourceKindBuiltIn            SourceKind = "built_in"
 	SourceKindConfiguredArtifact SourceKind = "configured_artifact"
 	SourceKindPreviousArtifact   SourceKind = "previous_session_configured_artifact"
+	SourceKindStableInput        SourceKind = "stable_input"
 )
 
 // Source describes one normalized artifact source identifier.
@@ -118,6 +123,11 @@ func DescribeScriptoriumInputSource(source string) (ScriptoriumInputSourceDescri
 	if trimmed == "" {
 		return ScriptoriumInputSourceDescriptor{}, ErrUnsupportedScriptoriumInputSource
 	}
+	if IsStableInputSource(trimmed) {
+		return ScriptoriumInputSourceDescriptor{
+			Source: Source{ID: trimmed, Kind: SourceKindStableInput},
+		}, nil
+	}
 	if strings.HasPrefix(trimmed, "narratio.previous_session.artifact") {
 		descriptor, err := DescribePreviousSessionSource(trimmed)
 		if err != nil {
@@ -140,6 +150,17 @@ func DescribeScriptoriumInputSource(source string) (ScriptoriumInputSourceDescri
 	return ScriptoriumInputSourceDescriptor{Source: classified}, nil
 }
 
+// IsStableInputSource reports whether source is a prepared stable input source
+// available only to Scriptorium input resolution.
+func IsStableInputSource(source string) bool {
+	switch strings.TrimSpace(source) {
+	case SourceInputPlayers, SourceInputParty, SourceInputGlossary:
+		return true
+	default:
+		return false
+	}
+}
+
 // DescribePreviousSessionSource validates a canonical previous-session source id
 // and returns both previous and configured-source vocabulary descriptors.
 func DescribePreviousSessionSource(source string) (PreviousSessionSourceDescriptor, error) {

internal/artifactpolicy/policy_test.go

@@ -112,6 +112,9 @@ func TestDescribeScriptoriumInputSource(t *testing.T) {
 	}{
 		{name: "built in", source: "narratio.transcript.final_trimmed", wantKind: SourceKindBuiltIn},
 		{name: "built in markdown", source: "narratio.transcript.final_markdown", wantKind: SourceKindBuiltIn},
+		{name: "prepared players input", source: "narratio.input.players", wantKind: SourceKindStableInput},
+		{name: "prepared party input", source: "narratio.input.party", wantKind: SourceKindStableInput},
+		{name: "prepared glossary input", source: "narratio.input.glossary", wantKind: SourceKindStableInput},
 		{name: "configured", source: "narratio.artifact.session_recap", wantKind: SourceKindConfiguredArtifact, wantKey: "session_recap"},
 		{name: "previous", source: "narratio.previous_session.artifact.session_recap", wantKind: SourceKindPreviousArtifact, wantKey: "session_recap", wantPrev: true},
 		{name: "invalid previous", source: "narratio.previous_session.artifact.", wantErr: ErrInvalidPreviousSessionSource},

internal/config/campaign_config_test.go

@@ -37,7 +37,7 @@ notification:
 
 func TestCampaignStrictDecodeAcceptsCampaignID(t *testing.T) {
 	pipelinePath, campaignPath, sessionPath := writeCampaignConfigTestFiles(t,
-		"campaign_id: sample-campaign\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n",
+		"campaign_id: sample-campaign\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n  players_file: ./players.yml\n  party_file: ./party.yml\n",
 		"session_id: 2026-05-03\ninputs:\n  audio_dir: ./audio\n",
 	)
 
@@ -52,7 +52,7 @@ func TestCampaignStrictDecodeAcceptsCampaignID(t *testing.T) {
 
 func TestCampaignStrictDecodeRejectsLegacyCampaignField(t *testing.T) {
 	pipelinePath, campaignPath, sessionPath := writeCampaignConfigTestFiles(t,
-		"campaign: sample-campaign\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n",
+		"campaign: sample-campaign\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n  players_file: ./players.yml\n  party_file: ./party.yml\n",
 		"session_id: 2026-05-03\ninputs:\n  audio_dir: ./audio\n",
 	)
 
@@ -67,7 +67,7 @@ func TestCampaignStrictDecodeRejectsLegacyCampaignField(t *testing.T) {
 
 func TestCampaignStrictDecodeRejectsUnknownFields(t *testing.T) {
 	pipelinePath, campaignPath, sessionPath := writeCampaignConfigTestFiles(t,
-		"campaign_id: sample-campaign\nunknown: true\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n",
+		"campaign_id: sample-campaign\nunknown: true\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n  players_file: ./players.yml\n  party_file: ./party.yml\n",
 		"session_id: 2026-05-03\ninputs:\n  audio_dir: ./audio\n",
 	)
 
@@ -82,7 +82,7 @@ func TestCampaignStrictDecodeRejectsUnknownFields(t *testing.T) {
 
 func TestCampaignStrictDecodeAcceptsSessionTemplateFile(t *testing.T) {
 	pipelinePath, campaignPath, sessionPath := writeCampaignConfigTestFiles(t,
-		"campaign_id: sample-campaign\nsession_template_file: ./session.template.yml\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n",
+		"campaign_id: sample-campaign\nsession_template_file: ./session.template.yml\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n  players_file: ./players.yml\n  party_file: ./party.yml\n",
 		"session_id: 2026-05-03\ninputs:\n  audio_dir: ./audio\n",
 	)
 
@@ -97,7 +97,7 @@ func TestCampaignStrictDecodeAcceptsSessionTemplateFile(t *testing.T) {
 
 func TestCampaignSessionMergeFillsStableInputs(t *testing.T) {
 	pipelinePath, campaignPath, sessionPath := writeCampaignConfigTestFiles(t,
-		"campaign_id: sample-campaign\ninputs:\n  speakers_file: ./campaign-speakers.yml\n  autocorrect_file: ./campaign-autocorrect.yml\n  glossary_file: ./campaign-glossary.yml\n",
+		"campaign_id: sample-campaign\ninputs:\n  speakers_file: ./campaign-speakers.yml\n  autocorrect_file: ./campaign-autocorrect.yml\n  glossary_file: ./campaign-glossary.yml\n  players_file: ./campaign-players.yml\n  party_file: ./campaign-party.yml\n",
 		"session_id: 2026-05-03\ninputs:\n  audio_dir: ./audio\n",
 	)
 
@@ -114,12 +114,14 @@ func TestCampaignSessionMergeFillsStableInputs(t *testing.T) {
 	assertResolvedStableInput(t, cfg.StableInputs.SpeakersFile, "./campaign-speakers.yml", campaignPath, "campaign_config")
 	assertResolvedStableInput(t, cfg.StableInputs.AutocorrectFile, "./campaign-autocorrect.yml", campaignPath, "campaign_config")
 	assertResolvedStableInput(t, cfg.StableInputs.GlossaryFile, "./campaign-glossary.yml", campaignPath, "campaign_config")
+	assertResolvedStableInput(t, cfg.StableInputs.PlayersFile, "./campaign-players.yml", campaignPath, "campaign_config")
+	assertResolvedStableInput(t, cfg.StableInputs.PartyFile, "./campaign-party.yml", campaignPath, "campaign_config")
 }
 
 func TestCampaignSessionMergeSessionOverridesStableInputs(t *testing.T) {
 	pipelinePath, campaignPath, sessionPath := writeCampaignConfigTestFiles(t,
-		"campaign_id: sample-campaign\ninputs:\n  speakers_file: ./campaign-speakers.yml\n  autocorrect_file: ./campaign-autocorrect.yml\n  glossary_file: ./campaign-glossary.yml\n",
+		"campaign_id: sample-campaign\ninputs:\n  speakers_file: ./campaign-speakers.yml\n  autocorrect_file: ./campaign-autocorrect.yml\n  glossary_file: ./campaign-glossary.yml\n  players_file: ./campaign-players.yml\n  party_file: ./campaign-party.yml\n",
-		"session_id: 2026-05-03\ncampaign: sample-campaign\ninputs:\n  audio_dir: ./audio\n  speakers_file: ./session-speakers.yml\n",
+		"session_id: 2026-05-03\ncampaign: sample-campaign\ninputs:\n  audio_dir: ./audio\n  speakers_file: ./session-speakers.yml\n  players_file: ./session-players.yml\n  party_file: ./session-party.yml\n",
 	)
 
 	cfg, err := LoadWithSessionOptions(pipelinePath, campaignPath, sessionPath, SessionLoadOptions{})
@@ -132,11 +134,32 @@ func TestCampaignSessionMergeSessionOverridesStableInputs(t *testing.T) {
 	assertResolvedStableInput(t, cfg.StableInputs.SpeakersFile, "./session-speakers.yml", sessionPath, "session_config")
 	assertResolvedStableInput(t, cfg.StableInputs.AutocorrectFile, "./campaign-autocorrect.yml", campaignPath, "campaign_config")
 	assertResolvedStableInput(t, cfg.StableInputs.GlossaryFile, "./campaign-glossary.yml", campaignPath, "campaign_config")
+	assertResolvedStableInput(t, cfg.StableInputs.PlayersFile, "./session-players.yml", sessionPath, "session_config")
+	assertResolvedStableInput(t, cfg.StableInputs.PartyFile, "./session-party.yml", sessionPath, "session_config")
+}
+
+func TestCampaignRequiresPlayersAndPartyInputs(t *testing.T) {
+	pipelinePath, campaignPath, sessionPath := writeCampaignConfigTestFiles(t,
+		"campaign_id: sample-campaign\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n",
+		"session_id: 2026-05-03\ninputs:\n  audio_dir: ./audio\n",
+	)
+
+	cfg, err := LoadWithSessionOptions(pipelinePath, campaignPath, sessionPath, SessionLoadOptions{})
+	if err != nil {
+		t.Fatalf("LoadWithSessionOptions() error = %v", err)
+	}
+	err = Validate(cfg)
+	if err == nil {
+		t.Fatal("expected validation error, got nil")
+	}
+	if !strings.Contains(err.Error(), "campaign.inputs.players_file is required") {
+		t.Fatalf("error = %q, want players_file required", err.Error())
+	}
 }
 
 func TestCampaignSessionMismatchFails(t *testing.T) {
 	pipelinePath, campaignPath, sessionPath := writeCampaignConfigTestFiles(t,
-		"campaign_id: sample-campaign\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n",
+		"campaign_id: sample-campaign\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n  players_file: ./players.yml\n  party_file: ./party.yml\n",
 		"session_id: 2026-05-03\ncampaign: other-campaign\ninputs:\n  audio_dir: ./audio\n",
 	)
 
@@ -151,7 +174,7 @@ func TestCampaignSessionMismatchFails(t *testing.T) {
 
 func TestLoadMissingCampaignFileFails(t *testing.T) {
 	pipelinePath, _, sessionPath := writeCampaignConfigTestFiles(t,
-		"campaign_id: sample-campaign\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n",
+		"campaign_id: sample-campaign\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n  players_file: ./players.yml\n  party_file: ./party.yml\n",
 		"session_id: 2026-05-03\ninputs:\n  audio_dir: ./audio\n",
 	)
 	missingCampaignPath := filepath.Join(filepath.Dir(sessionPath), "missing-campaign.yml")

internal/config/config.go

@@ -51,6 +51,8 @@ type CampaignInputsConfig struct {
 	SpeakersFile    string `yaml:"speakers_file"`
 	AutocorrectFile string `yaml:"autocorrect_file"`
 	GlossaryFile    string `yaml:"glossary_file"`
+	PlayersFile     string `yaml:"players_file"`
+	PartyFile       string `yaml:"party_file"`
 }
 
 // SessionConfig contains per-session inputs and metadata.
@@ -188,7 +190,7 @@ type NormalizeConfig struct {
 
 // TrimConfig configures trim-stage transcript boundary behavior.
 type TrimConfig struct {
-	Enabled    bool               `yaml:"enabled"`
+	Enabled    *bool              `yaml:"enabled"`
 	OutputPath string             `yaml:"output_path"`
 	Bounds     TrimBoundsConfig   `yaml:"bounds"`
 	Seriatim   TrimSeriatimConfig `yaml:"seriatim"`
@@ -265,6 +267,8 @@ type SessionInputsConfig struct {
 	SpeakersFile    string               `yaml:"speakers_file"`
 	AutocorrectFile string               `yaml:"autocorrect_file"`
 	GlossaryFile    string               `yaml:"glossary_file"`
+	PlayersFile     string               `yaml:"players_file"`
+	PartyFile       string               `yaml:"party_file"`
 }
 
 // SessionAudioS3Input configures S3 session-audio input discovery.
@@ -278,6 +282,8 @@ type ResolvedStableInputs struct {
 	SpeakersFile    ResolvedInputFile
 	AutocorrectFile ResolvedInputFile
 	GlossaryFile    ResolvedInputFile
+	PlayersFile     ResolvedInputFile
+	PartyFile       ResolvedInputFile
 }
 
 // ResolvedInputFile records one merged config path and its source config file.

internal/config/defaults.go

@@ -38,14 +38,19 @@ const (
 	DefaultScriptoriumTimeout            = "10m"
 	DefaultScriptoriumArtifactOutputRoot = "artifacts"
 
-	DefaultTrimBoundsTimeout  = "10m"
+	DefaultTrimEnabled                   = true
-	DefaultTrimSeriatimReport = false
+	DefaultTrimOutputPath                = artifactmodel.TranscriptPathFinalTrimmed
-	DefaultRenderEnabled      = true
+	DefaultTrimBoundsPromptID            = "dnd.session_bounds"
-	DefaultRenderFormat       = "markdown"
+	DefaultTrimBoundsTranscriptInputName = "transcript"
-	DefaultRenderTitle        = ""
+	DefaultTrimBoundsOutputPath          = "artifacts/session_bounds.json"
-	DefaultRenderTimestamps   = true
+	DefaultTrimBoundsTimeout             = "10m"
-	DefaultRenderSegmentIDs   = true
+	DefaultTrimSeriatimReport            = false
-	DefaultRenderMetadata     = false
+	DefaultRenderEnabled                 = true
+	DefaultRenderFormat                  = "markdown"
+	DefaultRenderTitle                   = ""
+	DefaultRenderTimestamps              = true
+	DefaultRenderSegmentIDs              = true
+	DefaultRenderMetadata                = false
 
 	DefaultNormalizeOutputPath   = artifactmodel.TranscriptPathFinal
 	DefaultNormalizeOutputSchema = "seriatim-intermediate"

internal/config/load.go

@@ -226,11 +226,25 @@ func mergeCampaignSession(campaignCfg *CampaignConfig, sessionCfg *SessionConfig
 			campaignPath,
 			sessionPath,
 		),
+		PlayersFile: selectStableInput(
+			campaignCfg.Inputs.PlayersFile,
+			sessionCfg.Inputs.PlayersFile,
+			campaignPath,
+			sessionPath,
+		),
+		PartyFile: selectStableInput(
+			campaignCfg.Inputs.PartyFile,
+			sessionCfg.Inputs.PartyFile,
+			campaignPath,
+			sessionPath,
+		),
 	}
 
 	sessionCfg.Inputs.SpeakersFile = stable.SpeakersFile.Path
 	sessionCfg.Inputs.AutocorrectFile = stable.AutocorrectFile.Path
 	sessionCfg.Inputs.GlossaryFile = stable.GlossaryFile.Path
+	sessionCfg.Inputs.PlayersFile = stable.PlayersFile.Path
+	sessionCfg.Inputs.PartyFile = stable.PartyFile.Path
 	return stable, nil
 }
 
@@ -336,7 +350,13 @@ func applyPipelineDefaults(cfg *PipelineConfig) {
 		cfg.Normalize = &NormalizeConfig{}
 	}
 	applyNormalizeDefaults(cfg.Normalize)
+	if cfg.Trim == nil {
+		cfg.Trim = &TrimConfig{}
+	}
 	applyTrimDefaults(cfg.Trim)
+	if trimEnabled(cfg.Trim) && cfg.Scriptorium == nil {
+		cfg.Scriptorium = &ScriptoriumConfig{}
+	}
 	applyRenderDefaults(&cfg.Render)
 	applyScriptoriumDefaults(cfg.Scriptorium)
 }
@@ -500,6 +520,21 @@ func applyTrimDefaults(cfg *TrimConfig) {
 	if cfg == nil {
 		return
 	}
+	if cfg.Enabled == nil {
+		cfg.Enabled = boolPtr(DefaultTrimEnabled)
+	}
+	if strings.TrimSpace(cfg.OutputPath) == "" {
+		cfg.OutputPath = DefaultTrimOutputPath
+	}
+	if strings.TrimSpace(cfg.Bounds.PromptID) == "" {
+		cfg.Bounds.PromptID = DefaultTrimBoundsPromptID
+	}
+	if strings.TrimSpace(cfg.Bounds.TranscriptInputName) == "" {
+		cfg.Bounds.TranscriptInputName = DefaultTrimBoundsTranscriptInputName
+	}
+	if strings.TrimSpace(cfg.Bounds.OutputPath) == "" {
+		cfg.Bounds.OutputPath = DefaultTrimBoundsOutputPath
+	}
 	if cfg.Bounds.Timeout == "" {
 		cfg.Bounds.Timeout = DefaultTrimBoundsTimeout
 	}
@@ -508,6 +543,10 @@ func applyTrimDefaults(cfg *TrimConfig) {
 	}
 }
 
+func trimEnabled(cfg *TrimConfig) bool {
+	return cfg != nil && cfg.Enabled != nil && *cfg.Enabled
+}
+
 func applyRenderDefaults(cfg **RenderConfig) {
 	if cfg == nil {
 		return

internal/config/load_validate_test.go

@@ -36,6 +36,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			checkDefault: true,
 			wantRoot:     "/tmp/narratio",
@@ -55,6 +57,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			checkDefault: true,
 			wantRoot:     "/tmp/narratio",
@@ -72,6 +76,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			checkDefault: true,
 			wantRoot:     DefaultWorkspaceRoot,
@@ -88,6 +94,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantLoadErr: "pipeline file",
 		},
@@ -106,6 +114,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantLoadErr: "strict decode failed",
 		},
@@ -123,6 +133,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantLoadErr: "strict decode failed",
 		},
@@ -143,6 +155,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantLoadErr: "strict decode failed",
 		},
@@ -163,6 +177,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.secrets.env_dir must be non-empty when pipeline.secrets is configured",
 		},
@@ -177,6 +193,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 unknown_field: true
 `,
 			wantLoadErr: "session file",
@@ -196,6 +214,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "session config \"session.yml\" invalid: session.session_id is required",
 		},
@@ -215,6 +235,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 		},
 		{
@@ -233,6 +255,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "session config \"session.yml\" invalid: session.previous_session_id must not equal session.session_id",
 		},
@@ -250,6 +274,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.whisperx.transcribe_url is required",
 		},
@@ -268,6 +294,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.whisperx.transcribe_url must be a valid URL",
 		},
@@ -287,6 +315,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.whisperx.timeout must be a valid duration",
 		},
@@ -306,6 +336,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.whisperx.retry_delay must be a valid duration",
 		},
@@ -325,6 +357,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.whisperx.retries must be >= 0",
 		},
@@ -344,6 +378,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.whisperx.concurrency must be > 0",
 		},
@@ -363,6 +399,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantLoadErr: "strict decode failed",
 		},
@@ -383,6 +421,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantLoadErr: "strict decode failed",
 		},
@@ -401,6 +441,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 		},
 		{
@@ -419,6 +461,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.seriatim.timeout must be a valid duration",
 		},
@@ -438,6 +482,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.seriatim.output_schema must be one of: seriatim-minimal, seriatim-intermediate, seriatim-full",
 		},
@@ -457,6 +503,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.seriatim.coalesce_gap must be >= 0",
 		},
@@ -477,6 +525,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.seriatim.env.overlap_word_run_gap must be > 0 when provided",
 		},
@@ -498,6 +548,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantLoadErr: "strict decode failed",
 		},
@@ -518,6 +570,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 		},
 		{
@@ -538,6 +592,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.audita.timeout must be a valid duration",
 		},
@@ -559,6 +615,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 		},
 		{
@@ -581,6 +639,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.audita.modules[1] must be non-empty",
 		},
@@ -604,6 +664,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.audita.modules[1] must be one of: glossary, homophones, spoken_word, grammar",
 		},
@@ -625,6 +687,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.audita.base_url must be a valid URL",
 		},
@@ -646,6 +710,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantLoadErr: "strict decode failed",
 		},
@@ -667,6 +733,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.audita.total_llm_concurrency must be > 0",
 		},
@@ -688,6 +756,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.audita.proposal_llm_concurrency must be > 0",
 		},
@@ -709,6 +779,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.audita.validation_llm_concurrency must be > 0",
 		},
@@ -730,6 +802,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.audita.output_schema must be one of: bare-segments, audita-v1",
 		},
@@ -751,6 +825,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantValidate: "pipeline config \"pipeline.yml\" invalid: pipeline.audita.work_dir_retention must be one of: always, auto, never",
 		},
@@ -916,7 +992,16 @@ func TestValidateMissingAudioSource(t *testing.T) {
 				Report:                   boolPtr(true),
 			},
 		},
-		Campaign: &CampaignConfig{CampaignID: "sample-campaign"},
+		Campaign: &CampaignConfig{
+			CampaignID: "sample-campaign",
+			Inputs: CampaignInputsConfig{
+				SpeakersFile:    "speakers.yml",
+				AutocorrectFile: "autocorrect.yml",
+				GlossaryFile:    "glossary.yml",
+				PlayersFile:     "players.yml",
+				PartyFile:       "party.yml",
+			},
+		},
 		Session: &SessionConfig{
 			SessionID: "2026-05-03",
 			Campaign:  "sample-campaign",
@@ -924,6 +1009,8 @@ func TestValidateMissingAudioSource(t *testing.T) {
 				SpeakersFile:    "speakers.yml",
 				AutocorrectFile: "autocorrect.yml",
 				GlossaryFile:    "glossary.yml",
+				PlayersFile:     "players.yml",
+				PartyFile:       "party.yml",
 			},
 		},
 	}
@@ -1009,6 +1096,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	if err := os.WriteFile(campaignPath, []byte(campaignYAML), 0o644); err != nil {
 		t.Fatalf("write campaign.yml: %v", err)

internal/config/scriptorium_test.go

@@ -215,6 +215,27 @@ func TestScriptoriumLoadAndValidate(t *testing.T) {
         transcript_markdown:
           source: narratio.transcript.final_markdown
           required: true
+`,
+		},
+		{
+			name: "prepared stable input sources are accepted",
+			scriptoriumYAML: `scriptorium:
+  binary: scriptorium
+  artifacts:
+    session_recap:
+      enabled: true
+      prompt_id: dnd.session_recap
+      output_path: artifacts/session_recap.md
+      inputs:
+        players:
+          source: narratio.input.players
+          required: true
+        party:
+          source: narratio.input.party
+          required: true
+        glossary:
+          source: narratio.input.glossary
+          required: false
 `,
 		},
 		{
@@ -575,4 +596,6 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `

internal/config/session_template_test.go

@@ -17,6 +17,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	if err := os.WriteFile(sessionPath, []byte(sessionYAML), 0o644); err != nil {
 		t.Fatalf("write session.yml: %v", err)
@@ -40,6 +42,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	if err := os.WriteFile(sessionPath, []byte(sessionYAML), 0o644); err != nil {
 		t.Fatalf("write session.yml: %v", err)
@@ -65,6 +69,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	if err := os.WriteFile(sessionPath, []byte(sessionYAML), 0o644); err != nil {
 		t.Fatalf("write session.yml: %v", err)
@@ -93,6 +99,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	if err := os.WriteFile(sessionPath, []byte(sessionYAML), 0o644); err != nil {
 		t.Fatalf("write session.yml: %v", err)
@@ -124,6 +132,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	if err := os.WriteFile(sessionPath, []byte(sessionYAML), 0o644); err != nil {
 		t.Fatalf("write session.yml: %v", err)
@@ -148,6 +158,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	if err := os.WriteFile(sessionPath, []byte(sessionYAML), 0o644); err != nil {
 		t.Fatalf("write session.yml: %v", err)

internal/config/storage_publish_test.go

@@ -238,6 +238,15 @@ func TestPublishOutputValidation(t *testing.T) {
 `,
 			wantErr: "source \"narratio.unknown\" is unsupported",
 		},
+		{
+			name: "prepared input source rejected",
+			ruleYML: `publish:
+  outputs:
+    - source: "narratio.input.players"
+      dest: "inputs/players.yml"
+`,
+			wantErr: "source \"narratio.input.players\" is unsupported",
+		},
 		{
 			name: "duplicate destination rejected",
 			ruleYML: `publish:
@@ -426,6 +435,15 @@ publish:
 `,
 			wantErr: "pipeline.publish.locks[0].source \"narratio.unknown\" is unsupported",
 		},
+		{
+			name: "prepared input source rejected",
+			pipelineYML: testPipelineBaseYAML + `
+publish:
+  locks:
+    - source: narratio.input.players
+`,
+			wantErr: "pipeline.publish.locks[0].source \"narratio.input.players\" is unsupported",
+		},
 		{
 			name: "duplicate source rejected",
 			pipelineYML: testPipelineBaseYAML + `
@@ -579,6 +597,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 		},
 		{
@@ -591,6 +611,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantErr: "session.inputs.audio_s3.prefix must be a relative path",
 		},
@@ -604,6 +626,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantErr: "session.inputs.audio_s3.prefix must not contain path traversal",
 		},
@@ -618,6 +642,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `,
 			wantErr: "mutually exclusive",
 		},
@@ -664,6 +690,8 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `
 	pipelinePath, sessionPath := writeConfigFiles(t, pipelineYAML, sessionYAML)
 	cfg, err := Load(pipelinePath, sessionPath)

internal/config/trim_test.go

@@ -13,6 +13,20 @@ func TestTrimLoadAndValidate(t *testing.T) {
 		wantValidateErr string
 		assert          func(t *testing.T, cfg *Config)
 	}{
+		{
+			name:     "trim defaults when omitted",
+			trimYAML: "",
+			assert: func(t *testing.T, cfg *Config) {
+				t.Helper()
+				assertDefaultTrimConfig(t, cfg)
+				if cfg.Pipeline.Scriptorium == nil {
+					t.Fatal("scriptorium config should be defaulted when trim is enabled by default")
+				}
+				if cfg.Pipeline.Scriptorium.Binary != DefaultScriptoriumBinary {
+					t.Fatalf("scriptorium.binary = %q, want %q", cfg.Pipeline.Scriptorium.Binary, DefaultScriptoriumBinary)
+				}
+			},
+		},
 		{
 			name: "valid trim config",
 			trimYAML: `trim:
@@ -34,8 +48,8 @@ func TestTrimLoadAndValidate(t *testing.T) {
 				if cfg.Pipeline.Trim == nil {
 					t.Fatal("trim config should be present")
 				}
-				if cfg.Pipeline.Trim.Enabled != true {
+				if cfg.Pipeline.Trim.Enabled == nil || !*cfg.Pipeline.Trim.Enabled {
-					t.Fatalf("trim.enabled = %t, want true", cfg.Pipeline.Trim.Enabled)
+					t.Fatalf("trim.enabled = %#v, want true", cfg.Pipeline.Trim.Enabled)
 				}
 				if cfg.Pipeline.Trim.Bounds.ProfileID != "" {
 					t.Fatalf("trim.bounds.profile_id = %q, want empty", cfg.Pipeline.Trim.Bounds.ProfileID)
@@ -43,67 +57,25 @@ func TestTrimLoadAndValidate(t *testing.T) {
 			},
 		},
 		{
-			name: "enabled omitted defaults disabled",
+			name: "enabled omitted defaults enabled",
 			trimYAML: `trim:
-  output_path: transcripts/final.trimmed.json
-  bounds:
-    prompt_id: dnd_session.bounds
-    transcript_input_name: transcript
-    output_path: artifacts/session_bounds.json
 `,
 			assert: func(t *testing.T, cfg *Config) {
 				t.Helper()
-				if cfg.Pipeline.Trim == nil {
+				assertDefaultTrimConfig(t, cfg)
-					t.Fatal("trim config should be present")
-				}
-				if cfg.Pipeline.Trim.Enabled {
-					t.Fatal("trim.enabled should default to false when omitted")
-				}
 			},
 		},
 		{
-			name: "missing prompt id fails when enabled",
+			name: "explicit disabled remains disabled",
 			trimYAML: `trim:
-  enabled: true
+  enabled: false
-  output_path: transcripts/final.trimmed.json
-  bounds:
-    transcript_input_name: transcript
-    output_path: artifacts/session_bounds.json
 `,
-			wantValidateErr: "pipeline.trim.bounds.prompt_id is required when pipeline.trim.enabled is true",
+			assert: func(t *testing.T, cfg *Config) {
-		},
+				t.Helper()
-		{
+				if cfg.Pipeline.Trim == nil || cfg.Pipeline.Trim.Enabled == nil || *cfg.Pipeline.Trim.Enabled {
-			name: "missing transcript input name fails when enabled",
+					t.Fatalf("trim.enabled = %#v, want false", cfg.Pipeline.Trim)
-			trimYAML: `trim:
+				}
-  enabled: true
+			},
-  output_path: transcripts/final.trimmed.json
-  bounds:
-    prompt_id: dnd_session.bounds
-    output_path: artifacts/session_bounds.json
-`,
-			wantValidateErr: "pipeline.trim.bounds.transcript_input_name is required when pipeline.trim.enabled is true",
-		},
-		{
-			name: "missing bounds output path fails when enabled",
-			trimYAML: `trim:
-  enabled: true
-  output_path: transcripts/final.trimmed.json
-  bounds:
-    prompt_id: dnd_session.bounds
-    transcript_input_name: transcript
-`,
-			wantValidateErr: "pipeline.trim.bounds.output_path is required when pipeline.trim.enabled is true",
-		},
-		{
-			name: "missing trimmed output path fails when enabled",
-			trimYAML: `trim:
-  enabled: true
-  bounds:
-    prompt_id: dnd_session.bounds
-    transcript_input_name: transcript
-    output_path: artifacts/session_bounds.json
-`,
-			wantValidateErr: "pipeline.trim.output_path is required when pipeline.trim.enabled is true",
 		},
 		{
 			name: "invalid timeout fails",
@@ -185,3 +157,31 @@ func TestTrimLoadAndValidate(t *testing.T) {
 		})
 	}
 }
+
+func assertDefaultTrimConfig(t *testing.T, cfg *Config) {
+	t.Helper()
+	if cfg.Pipeline.Trim == nil {
+		t.Fatal("trim config should be present")
+	}
+	if cfg.Pipeline.Trim.Enabled == nil || !*cfg.Pipeline.Trim.Enabled {
+		t.Fatalf("trim.enabled = %#v, want true", cfg.Pipeline.Trim.Enabled)
+	}
+	if cfg.Pipeline.Trim.OutputPath != DefaultTrimOutputPath {
+		t.Fatalf("trim.output_path = %q, want %q", cfg.Pipeline.Trim.OutputPath, DefaultTrimOutputPath)
+	}
+	if cfg.Pipeline.Trim.Bounds.PromptID != DefaultTrimBoundsPromptID {
+		t.Fatalf("trim.bounds.prompt_id = %q, want %q", cfg.Pipeline.Trim.Bounds.PromptID, DefaultTrimBoundsPromptID)
+	}
+	if cfg.Pipeline.Trim.Bounds.TranscriptInputName != DefaultTrimBoundsTranscriptInputName {
+		t.Fatalf("trim.bounds.transcript_input_name = %q, want %q", cfg.Pipeline.Trim.Bounds.TranscriptInputName, DefaultTrimBoundsTranscriptInputName)
+	}
+	if cfg.Pipeline.Trim.Bounds.OutputPath != DefaultTrimBoundsOutputPath {
+		t.Fatalf("trim.bounds.output_path = %q, want %q", cfg.Pipeline.Trim.Bounds.OutputPath, DefaultTrimBoundsOutputPath)
+	}
+	if cfg.Pipeline.Trim.Bounds.Timeout != DefaultTrimBoundsTimeout {
+		t.Fatalf("trim.bounds.timeout = %q, want %q", cfg.Pipeline.Trim.Bounds.Timeout, DefaultTrimBoundsTimeout)
+	}
+	if cfg.Pipeline.Trim.Seriatim.Report == nil || *cfg.Pipeline.Trim.Seriatim.Report != DefaultTrimSeriatimReport {
+		t.Fatalf("trim.seriatim.report = %#v, want %t", cfg.Pipeline.Trim.Seriatim.Report, DefaultTrimSeriatimReport)
+	}
+}

internal/config/validate.go

@@ -51,6 +51,21 @@ func validateCampaign(cfg *CampaignConfig) error {
 	if CampaignID(cfg) == "" {
 		return fmt.Errorf("campaign.campaign_id is required")
 	}
+	if strings.TrimSpace(cfg.Inputs.SpeakersFile) == "" {
+		return fmt.Errorf("campaign.inputs.speakers_file is required")
+	}
+	if strings.TrimSpace(cfg.Inputs.AutocorrectFile) == "" {
+		return fmt.Errorf("campaign.inputs.autocorrect_file is required")
+	}
+	if strings.TrimSpace(cfg.Inputs.GlossaryFile) == "" {
+		return fmt.Errorf("campaign.inputs.glossary_file is required")
+	}
+	if strings.TrimSpace(cfg.Inputs.PlayersFile) == "" {
+		return fmt.Errorf("campaign.inputs.players_file is required")
+	}
+	if strings.TrimSpace(cfg.Inputs.PartyFile) == "" {
+		return fmt.Errorf("campaign.inputs.party_file is required")
+	}
 	return nil
 }
 
@@ -276,7 +291,10 @@ func validateTrim(cfg *TrimConfig) error {
 	if cfg == nil {
 		return nil
 	}
-	if !cfg.Enabled {
+	if cfg.Enabled == nil {
+		return fmt.Errorf("pipeline.trim.enabled must be set (defaults should populate this)")
+	}
+	if !*cfg.Enabled {
 		return nil
 	}
 
@@ -592,6 +610,12 @@ func validateSession(cfg *SessionConfig) error {
 	if strings.TrimSpace(cfg.Inputs.GlossaryFile) == "" {
 		return fmt.Errorf("session.inputs.glossary_file is required")
 	}
+	if strings.TrimSpace(cfg.Inputs.PlayersFile) == "" {
+		return fmt.Errorf("session.inputs.players_file is required")
+	}
+	if strings.TrimSpace(cfg.Inputs.PartyFile) == "" {
+		return fmt.Errorf("session.inputs.party_file is required")
+	}
 
 	hasAudioDir := strings.TrimSpace(cfg.Inputs.AudioDir) != ""
 	hasAudioFiles := len(cfg.Inputs.AudioFiles) > 0

internal/stage/analyze.go

@@ -632,6 +632,16 @@ func resolveScriptoriumInput(
 	if describeErr != nil {
 		return "", false, nil, describeErr
 	}
+	if descriptor.Source.Kind == artifactpolicy.SourceKindStableInput {
+		resolvedPath, ok, err := resolvePreparedStableInput(descriptor.Source.ID, paths)
+		if err != nil {
+			if inputCfg.Required {
+				return "", false, nil, err
+			}
+			return "", false, nil, nil
+		}
+		return resolvedPath, ok, nil, nil
+	}
 	if descriptor.Source.Kind == artifactpolicy.SourceKindPreviousArtifact {
 		resolved, err := artifacts.ResolvePreviousSessionArtifactWithCatalog(paths, m, source, runtimeCatalog)
 		if err == nil {
@@ -684,6 +694,36 @@ func resolveScriptoriumInput(
 	}
 }
 
+func resolvePreparedStableInput(sourceID string, paths artifacts.SessionPaths) (string, bool, error) {
+	filename, ok := preparedStableInputFilename(sourceID)
+	if !ok {
+		return "", false, fmt.Errorf("unsupported prepared input source %q", sourceID)
+	}
+	path := filepath.Join(paths.InputsDir, filename)
+	if err := requireNonEmptyFile(path, "prepared input "+sourceID); err != nil {
+		return "", false, fmt.Errorf(
+			"prepared input source %q is unavailable; run narratio run-stage prepare %s --force: %w",
+			sourceID,
+			paths.SessionID,
+			err,
+		)
+	}
+	return path, true, nil
+}
+
+func preparedStableInputFilename(sourceID string) (string, bool) {
+	switch strings.TrimSpace(sourceID) {
+	case artifactpolicy.SourceInputPlayers:
+		return "players.yml", true
+	case artifactpolicy.SourceInputParty:
+		return "party.yml", true
+	case artifactpolicy.SourceInputGlossary:
+		return "glossary.yml", true
+	default:
+		return "", false
+	}
+}
+
 func buildAnalyzeRuntimeArtifactCatalog(
 	paths artifacts.SessionPaths,
 	scriptoriumCfg *config.ScriptoriumConfig,

internal/stage/analyze_test.go

@@ -986,6 +986,96 @@ func TestAnalyzeSupportsRenderedMarkdownTranscriptSourceWhenConfigured(t *testin
 	}
 }
 
+func TestAnalyzeResolvesPreparedStableInputSources(t *testing.T) {
+	env, m, fake := setupAnalyzeEnv(t)
+	paths := sessionPathsForEnv(env, m.SessionID)
+	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "final.trimmed.json"), `{"segments":[]}`)
+	playersPath := filepath.Join(paths.InputsDir, "players.yml")
+	partyPath := filepath.Join(paths.InputsDir, "party.yml")
+	glossaryPath := filepath.Join(paths.InputsDir, "glossary.yml")
+	writeAnalyzeFile(t, playersPath, "- Eric\n")
+	writeAnalyzeFile(t, partyPath, "- Arannis\n")
+	writeAnalyzeFile(t, glossaryPath, "- term: Ten Towns\n")
+
+	artifact := env.Config.Pipeline.Scriptorium.Artifacts["session_recap"]
+	artifact.Inputs["players"] = config.ScriptoriumInputConfig{
+		Source:   "narratio.input.players",
+		Required: true,
+	}
+	artifact.Inputs["party"] = config.ScriptoriumInputConfig{
+		Source:   "narratio.input.party",
+		Required: true,
+	}
+	artifact.Inputs["glossary"] = config.ScriptoriumInputConfig{
+		Source:   "narratio.input.glossary",
+		Required: true,
+	}
+	env.Config.Pipeline.Scriptorium.Artifacts["session_recap"] = artifact
+
+	_, err := (analyzeStage{}).Run(context.Background(), env, m)
+	if err != nil {
+		t.Fatalf("Run() error = %v", err)
+	}
+	if len(fake.RunRequests) != 1 {
+		t.Fatalf("run requests = %d, want 1", len(fake.RunRequests))
+	}
+	if fake.RunRequests[0].InputPaths["players"] != playersPath {
+		t.Fatalf("players input = %q, want %q", fake.RunRequests[0].InputPaths["players"], playersPath)
+	}
+	if fake.RunRequests[0].InputPaths["party"] != partyPath {
+		t.Fatalf("party input = %q, want %q", fake.RunRequests[0].InputPaths["party"], partyPath)
+	}
+	if fake.RunRequests[0].InputPaths["glossary"] != glossaryPath {
+		t.Fatalf("glossary input = %q, want %q", fake.RunRequests[0].InputPaths["glossary"], glossaryPath)
+	}
+}
+
+func TestAnalyzeMissingRequiredPreparedStableInputFailsWithPrepareGuidance(t *testing.T) {
+	env, m, _ := setupAnalyzeEnv(t)
+	paths := sessionPathsForEnv(env, m.SessionID)
+	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "final.trimmed.json"), `{"segments":[]}`)
+
+	artifact := env.Config.Pipeline.Scriptorium.Artifacts["session_recap"]
+	artifact.Inputs["players"] = config.ScriptoriumInputConfig{
+		Source:   "narratio.input.players",
+		Required: true,
+	}
+	env.Config.Pipeline.Scriptorium.Artifacts["session_recap"] = artifact
+
+	_, err := (analyzeStage{}).Run(context.Background(), env, m)
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+	if !strings.Contains(err.Error(), "prepared input source \"narratio.input.players\" is unavailable") ||
+		!strings.Contains(err.Error(), "run narratio run-stage prepare 2026-05-03 --force") {
+		t.Fatalf("error = %q, want prepared input guidance", err.Error())
+	}
+}
+
+func TestAnalyzeMissingOptionalPreparedStableInputIsOmitted(t *testing.T) {
+	env, m, fake := setupAnalyzeEnv(t)
+	paths := sessionPathsForEnv(env, m.SessionID)
+	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "final.trimmed.json"), `{"segments":[]}`)
+
+	artifact := env.Config.Pipeline.Scriptorium.Artifacts["session_recap"]
+	artifact.Inputs["players"] = config.ScriptoriumInputConfig{
+		Source:   "narratio.input.players",
+		Required: false,
+	}
+	env.Config.Pipeline.Scriptorium.Artifacts["session_recap"] = artifact
+
+	_, err := (analyzeStage{}).Run(context.Background(), env, m)
+	if err != nil {
+		t.Fatalf("Run() error = %v", err)
+	}
+	if len(fake.RunRequests) != 1 {
+		t.Fatalf("run requests = %d, want 1", len(fake.RunRequests))
+	}
+	if _, ok := fake.RunRequests[0].InputPaths["players"]; ok {
+		t.Fatalf("players input should be omitted: %#v", fake.RunRequests[0].InputPaths)
+	}
+}
+
 func TestAnalyzeSupportsCanonicalNormalizedTranscriptSourceFromManifestOutput(t *testing.T) {
 	env, m, fake := setupAnalyzeEnv(t)
 	paths := sessionPathsForEnv(env, m.SessionID)

internal/stage/placeholders_test.go

@@ -33,11 +33,13 @@ func TestStagesReturnExpectedMetadata(t *testing.T) {
 	campaignPath := filepath.Join(cfgDir, "campaign.yml")
 	pipelinePath := filepath.Join(cfgDir, "pipeline.yml")
 	writeStageTestFile(t, sessionPath, "session_id: 2026-05-03\n")
-	writeStageTestFile(t, campaignPath, "campaign_id: sample-campaign\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n")
+	writeStageTestFile(t, campaignPath, "campaign_id: sample-campaign\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n  players_file: ./players.yml\n  party_file: ./party.yml\n")
 	writeStageTestFile(t, pipelinePath, "workspace:\n  root: "+root+"\n")
 	writeStageTestFile(t, filepath.Join(cfgDir, "speakers.yml"), "alice: alice.flac\n")
 	writeStageTestFile(t, filepath.Join(cfgDir, "autocorrect.yml"), "[]\n")
 	writeStageTestFile(t, filepath.Join(cfgDir, "glossary.yml"), "[]\n")
+	writeStageTestFile(t, filepath.Join(cfgDir, "players.yml"), "[]\n")
+	writeStageTestFile(t, filepath.Join(cfgDir, "party.yml"), "[]\n")
 	writeStageTestFile(t, filepath.Join(cfgDir, "audio", "alice.flac"), "a")
 
 	wf := &whisperx.FakeClient{}
@@ -82,6 +84,16 @@ func TestStagesReturnExpectedMetadata(t *testing.T) {
 					ConfigPath: campaignPath,
 					Source:     "campaign_config",
 				},
+				PlayersFile: config.ResolvedInputFile{
+					Path:       "./players.yml",
+					ConfigPath: campaignPath,
+					Source:     "campaign_config",
+				},
+				PartyFile: config.ResolvedInputFile{
+					Path:       "./party.yml",
+					ConfigPath: campaignPath,
+					Source:     "campaign_config",
+				},
 			},
 			Session: &config.SessionConfig{
 				SessionID: "2026-05-03",

internal/stage/prepare.go

@@ -32,6 +32,8 @@ func (prepareStage) Declares() IODecl {
 			{Kind: "config", Category: "inputs", RelativePath: "speakers.yml"},
 			{Kind: "config", Category: "inputs", RelativePath: "autocorrect.yml"},
 			{Kind: "config", Category: "inputs", RelativePath: "glossary.yml"},
+			{Kind: "config", Category: "inputs", RelativePath: "players.yml"},
+			{Kind: "config", Category: "inputs", RelativePath: "party.yml"},
 			{Kind: "audio", Category: "audio", RelativePath: "*.flac"},
 		},
 	}
@@ -75,6 +77,8 @@ func (prepareStage) Run(ctx context.Context, env *Env, m *manifest.Manifest) (*S
 	speakersInput := stableInputSource(env.Config.StableInputs.SpeakersFile, env.Config.Session.Inputs.SpeakersFile, sessionSrc)
 	autocorrectInput := stableInputSource(env.Config.StableInputs.AutocorrectFile, env.Config.Session.Inputs.AutocorrectFile, sessionSrc)
 	glossaryInput := stableInputSource(env.Config.StableInputs.GlossaryFile, env.Config.Session.Inputs.GlossaryFile, sessionSrc)
+	playersInput := stableInputSource(env.Config.StableInputs.PlayersFile, env.Config.Session.Inputs.PlayersFile, sessionSrc)
+	partyInput := stableInputSource(env.Config.StableInputs.PartyFile, env.Config.Session.Inputs.PartyFile, sessionSrc)
 
 	speakersSrc, err := resolveConfigRelativePath(speakersInput)
 	if err != nil {
@@ -88,6 +92,14 @@ func (prepareStage) Run(ctx context.Context, env *Env, m *manifest.Manifest) (*S
 	if err != nil {
 		return nil, fmt.Errorf("prepare: glossary path: %w", err)
 	}
+	playersSrc, err := resolveConfigRelativePath(playersInput)
+	if err != nil {
+		return nil, fmt.Errorf("prepare: players path: %w", err)
+	}
+	partySrc, err := resolveConfigRelativePath(partyInput)
+	if err != nil {
+		return nil, fmt.Errorf("prepare: party path: %w", err)
+	}
 
 	for _, required := range []struct {
 		path string
@@ -96,6 +108,8 @@ func (prepareStage) Run(ctx context.Context, env *Env, m *manifest.Manifest) (*S
 		{path: speakersSrc, name: "speakers.yml"},
 		{path: autocorrectSrc, name: "autocorrect.yml"},
 		{path: glossarySrc, name: "glossary.yml"},
+		{path: playersSrc, name: "players.yml"},
+		{path: partySrc, name: "party.yml"},
 	} {
 		if err := requireFile(required.path, required.name); err != nil {
 			return nil, fmt.Errorf("prepare: %w", err)
@@ -107,7 +121,7 @@ func (prepareStage) Run(ctx context.Context, env *Env, m *manifest.Manifest) (*S
 		return nil, fmt.Errorf("prepare: resolve audio inputs: %w", err)
 	}
 
-	inputs := make([]manifest.InputRecord, 0, 6+len(resolvedLocalAudio))
+	inputs := make([]manifest.InputRecord, 0, 8+len(resolvedLocalAudio))
 	registerInput := func(kind, path, checksum string) {
 		inputs = append(inputs, manifest.InputRecord{Kind: kind, Path: path, Checksum: checksum})
 	}
@@ -166,6 +180,8 @@ func (prepareStage) Run(ctx context.Context, env *Env, m *manifest.Manifest) (*S
 		{kind: "speakers", src: speakersSrc, dst: filepath.Join(paths.InputsDir, "speakers.yml"), source: speakersInput.Source},
 		{kind: "autocorrect", src: autocorrectSrc, dst: filepath.Join(paths.InputsDir, "autocorrect.yml"), source: autocorrectInput.Source},
 		{kind: "glossary", src: glossarySrc, dst: filepath.Join(paths.InputsDir, "glossary.yml"), source: glossaryInput.Source},
+		{kind: "players", src: playersSrc, dst: filepath.Join(paths.InputsDir, "players.yml"), source: playersInput.Source},
+		{kind: "party", src: partySrc, dst: filepath.Join(paths.InputsDir, "party.yml"), source: partyInput.Source},
 	} {
 		checksum, err := copyFileIfChanged(env.ArtifactStore, cfgFile.src, cfgFile.dst)
 		if err != nil {

internal/stage/prepare_test.go

@@ -41,6 +41,8 @@ func TestPrepareStageExplicitAudioFiles(t *testing.T) {
 		filepath.Join(paths.InputsDir, "speakers.yml"),
 		filepath.Join(paths.InputsDir, "autocorrect.yml"),
 		filepath.Join(paths.InputsDir, "glossary.yml"),
+		filepath.Join(paths.InputsDir, "players.yml"),
+		filepath.Join(paths.InputsDir, "party.yml"),
 		filepath.Join(paths.AudioDir, "alice.flac"),
 		filepath.Join(paths.AudioDir, "bob.flac"),
 	} {
@@ -49,8 +51,8 @@ func TestPrepareStageExplicitAudioFiles(t *testing.T) {
 		}
 	}
 
-	if len(m.Inputs) != 8 {
+	if len(m.Inputs) != 10 {
-		t.Fatalf("manifest inputs len = %d, want 8", len(m.Inputs))
+		t.Fatalf("manifest inputs len = %d, want 10", len(m.Inputs))
 	}
 	for _, in := range m.Inputs {
 		if in.Checksum == "" {
@@ -613,11 +615,15 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
+  players_file: ./players.yml
+  party_file: ./party.yml
 `)
 	writeFile(t, sessionPath, "session_id: 2026-05-03\n")
 	writeFile(t, filepath.Join(cfgDir, "speakers.yml"), "alice: alice.flac\n")
 	writeFile(t, filepath.Join(cfgDir, "autocorrect.yml"), "[]\n")
 	writeFile(t, filepath.Join(cfgDir, "glossary.yml"), "[]\n")
+	writeFile(t, filepath.Join(cfgDir, "players.yml"), "[]\n")
+	writeFile(t, filepath.Join(cfgDir, "party.yml"), "[]\n")
 
 	cfg := &config.Config{
 		Pipeline: &config.PipelineConfig{
@@ -651,6 +657,16 @@ inputs:
 				ConfigPath: campaignPath,
 				Source:     "campaign_config",
 			},
+			PlayersFile: config.ResolvedInputFile{
+				Path:       "./players.yml",
+				ConfigPath: campaignPath,
+				Source:     "campaign_config",
+			},
+			PartyFile: config.ResolvedInputFile{
+				Path:       "./party.yml",
+				ConfigPath: campaignPath,
+				Source:     "campaign_config",
+			},
 		},
 	}
 

internal/stage/transcribe_test.go

@@ -236,10 +236,12 @@ func setupTranscribeEnv(t *testing.T, audioFiles []string) (*Env, *manifest.Mani
 	campaignPath := filepath.Join(cfgDir, "campaign.yml")
 	writeFile(t, sessionPath, "session_id: 2026-05-03\ncampaign: sample-campaign\n")
 	writeFile(t, pipelinePath, "workspace:\n  root: "+workspace+"\n")
-	writeFile(t, campaignPath, "campaign_id: sample-campaign\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n")
+	writeFile(t, campaignPath, "campaign_id: sample-campaign\ninputs:\n  speakers_file: ./speakers.yml\n  autocorrect_file: ./autocorrect.yml\n  glossary_file: ./glossary.yml\n  players_file: ./players.yml\n  party_file: ./party.yml\n")
 	writeFile(t, filepath.Join(cfgDir, "speakers.yml"), "alice: alice.flac\n")
 	writeFile(t, filepath.Join(cfgDir, "autocorrect.yml"), "[]\n")
 	writeFile(t, filepath.Join(cfgDir, "glossary.yml"), "[]\n")
+	writeFile(t, filepath.Join(cfgDir, "players.yml"), "[]\n")
+	writeFile(t, filepath.Join(cfgDir, "party.yml"), "[]\n")
 
 	retries := 3
 	concurrency := 2
@@ -267,12 +269,16 @@ func setupTranscribeEnv(t *testing.T, audioFiles []string) (*Env, *manifest.Mani
 				SpeakersFile:    "./speakers.yml",
 				AutocorrectFile: "./autocorrect.yml",
 				GlossaryFile:    "./glossary.yml",
+				PlayersFile:     "./players.yml",
+				PartyFile:       "./party.yml",
 			},
 		},
 		StableInputs: config.ResolvedStableInputs{
 			SpeakersFile:    config.ResolvedInputFile{Path: "./speakers.yml", ConfigPath: campaignPath, Source: "campaign_config"},
 			AutocorrectFile: config.ResolvedInputFile{Path: "./autocorrect.yml", ConfigPath: campaignPath, Source: "campaign_config"},
 			GlossaryFile:    config.ResolvedInputFile{Path: "./glossary.yml", ConfigPath: campaignPath, Source: "campaign_config"},
+			PlayersFile:     config.ResolvedInputFile{Path: "./players.yml", ConfigPath: campaignPath, Source: "campaign_config"},
+			PartyFile:       config.ResolvedInputFile{Path: "./party.yml", ConfigPath: campaignPath, Source: "campaign_config"},
 		},
 	}
 

internal/stage/trim.go

@@ -71,7 +71,7 @@ func (trimStage) Run(ctx context.Context, env *Env, m *manifest.Manifest) (*Stag
 	}
 
 	trimCfg := env.Config.Pipeline.Trim
-	enabled := trimCfg != nil && trimCfg.Enabled
+	enabled := trimCfg != nil && trimCfg.Enabled != nil && *trimCfg.Enabled
 
 	canonicalTrimmedPath, err := resolveTrimmedOutputPath(paths, trimCfg)
 	if err != nil {

internal/stage/trim_test.go

@@ -275,7 +275,8 @@ func TestTrimStageDisabledCopiesNormalizedTranscript(t *testing.T) {
 	writeFile(t, normalized, normalizedBody)
 
 	disabled := *env.Config.Pipeline.Trim
-	disabled.Enabled = false
+	enabled := false
+	disabled.Enabled = &enabled
 	env.Config.Pipeline.Trim = &disabled
 
 	result, err := (trimStage{}).Run(context.Background(), env, m)
@@ -424,6 +425,7 @@ func setupTrimEnv(t *testing.T) (*Env, *manifest.Manifest, *boundsScriptoriumRun
 	writeFile(t, pipelinePath, "workspace:\n  root: "+workspace+"\n")
 
 	seriatimReport := false
+	trimEnabled := true
 	cfg := &config.Config{
 		PipelinePath: pipelinePath,
 		SessionPath:  sessionPath,
@@ -437,7 +439,7 @@ func setupTrimEnv(t *testing.T) (*Env, *manifest.Manifest, *boundsScriptoriumRun
 				Report:       &seriatimReport,
 			},
 			Trim: &config.TrimConfig{
-				Enabled:    true,
+				Enabled:    &trimEnabled,
 				OutputPath: "transcripts/final.trimmed.json",
 				Bounds: config.TrimBoundsConfig{
 					PromptID:            "dnd_session.bounds",