Add campaign-aware workspace path foundation

2026-05-17 20:57:27 +00:00
parent e58e545686
commit 550288e008
34 changed files with 448 additions and 146 deletions
--- a/internal/stage/analyze.go
+++ b/internal/stage/analyze.go
@@ -58,7 +58,7 @@ func (analyzeStage) Run(ctx context.Context, env *Env, m *manifest.Manifest) (*S
 		return nil, fmt.Errorf("analyze: session id is required")
 	}

-	paths := env.ArtifactStore.SessionPaths(sessionID)
+	paths := sessionPathsForEnv(env, sessionID)
 	if env.Config.Pipeline.Scriptorium == nil {
 		return &StageResult{
 			Metadata: map[string]any{
--- a/internal/stage/analyze_test.go
+++ b/internal/stage/analyze_test.go
@@ -17,7 +17,7 @@ import (

 func TestAnalyzeGeneratesSessionRecapFromTrimmedTranscript(t *testing.T) {
 	env, m, fake := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "trimmed.json"), `{"segments":[]}`)

 	result, err := (analyzeStage{}).Run(context.Background(), env, m)
@@ -70,7 +70,7 @@ func TestAnalyzeGeneratesSessionRecapFromTrimmedTranscript(t *testing.T) {

 func TestAnalyzeRenderDebugFalseDoesNotCallRenderArtifact(t *testing.T) {
 	env, m, fake := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "trimmed.json"), `{"segments":[]}`)

 	env.Config.Pipeline.Scriptorium.RenderDebug = false
@@ -86,7 +86,7 @@ func TestAnalyzeRenderDebugFalseDoesNotCallRenderArtifact(t *testing.T) {

 func TestAnalyzeRenderDebugArtifactOverrideFalseWinsOverGlobalTrue(t *testing.T) {
 	env, m, fake := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "trimmed.json"), `{"segments":[]}`)

 	env.Config.Pipeline.Scriptorium.RenderDebug = true
@@ -109,7 +109,7 @@ func TestAnalyzeRenderDebugArtifactOverrideFalseWinsOverGlobalTrue(t *testing.T)

 func TestAnalyzeRenderDebugTrueCallsRenderBeforeRun(t *testing.T) {
 	env, m, _ := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "trimmed.json"), `{"segments":[]}`)

 	env.Config.Pipeline.Scriptorium.RenderDebug = true
@@ -130,7 +130,7 @@ func TestAnalyzeRenderDebugTrueCallsRenderBeforeRun(t *testing.T) {

 func TestAnalyzeRenderOutputPathIsRecorded(t *testing.T) {
 	env, m, fake := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "trimmed.json"), `{"segments":[]}`)
 	env.Config.Pipeline.Scriptorium.RenderDebug = true

@@ -154,7 +154,7 @@ func TestAnalyzeRenderOutputPathIsRecorded(t *testing.T) {

 func TestAnalyzeRenderFailurePreventsRun(t *testing.T) {
 	env, m, fake := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "trimmed.json"), `{"segments":[]}`)
 	env.Config.Pipeline.Scriptorium.RenderDebug = true
 	fake.RenderErr = errors.New("render boom")
@@ -176,7 +176,7 @@ func TestAnalyzeRenderFailurePreventsRun(t *testing.T) {

 func TestAnalyzeRenderInvalidJSONFailsClearly(t *testing.T) {
 	env, m, _ := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "trimmed.json"), `{"segments":[]}`)
 	env.Config.Pipeline.Scriptorium.RenderDebug = true
 	runner := &orderedScriptoriumRunner{
@@ -199,7 +199,7 @@ func TestAnalyzeRenderInvalidJSONFailsClearly(t *testing.T) {

 func TestAnalyzeRunStillSucceedsWhenRenderSucceeds(t *testing.T) {
 	env, m, fake := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "trimmed.json"), `{"segments":[]}`)
 	env.Config.Pipeline.Scriptorium.RenderDebug = true

@@ -220,7 +220,7 @@ func TestAnalyzeRunStillSucceedsWhenRenderSucceeds(t *testing.T) {

 func TestAnalyzeOmitsOptionalPreviousRecapWhenUnavailable(t *testing.T) {
 	env, m, fake := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "processed.json"), `{"segments":[]}`)

 	env.Config.Pipeline.Scriptorium.Artifacts["session_recap"] = config.ScriptoriumArtifactConfig{
@@ -318,7 +318,7 @@ func (r *orderedScriptoriumRunner) RunArtifact(_ context.Context, req scriptoriu

 func TestAnalyzeIncludesPreviousRecapWhenConfiguredAndAvailable(t *testing.T) {
 	env, m, fake := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "processed.json"), `{"segments":[]}`)

 	previousRecapPath := filepath.Join(filepath.Dir(env.Config.SessionPath), "previous", "session_recap.md")
@@ -359,7 +359,7 @@ func TestAnalyzeIncludesPreviousRecapWhenConfiguredAndAvailable(t *testing.T) {

 func TestAnalyzeFailsWhenRequiredPreviousRecapMissing(t *testing.T) {
 	env, m, _ := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "processed.json"), `{"segments":[]}`)

 	env.Config.Pipeline.Scriptorium.Artifacts["session_recap"] = config.ScriptoriumArtifactConfig{
@@ -390,7 +390,7 @@ func TestAnalyzeFailsWhenRequiredPreviousRecapMissing(t *testing.T) {

 func TestAnalyzeFailsWhenOutputPathMissing(t *testing.T) {
 	env, m, fake := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "trimmed.json"), `{"segments":[]}`)

 	artifact := env.Config.Pipeline.Scriptorium.Artifacts["session_recap"]
@@ -425,7 +425,7 @@ func TestAnalyzeFailsWhenTrimmedTranscriptMissing(t *testing.T) {

 func TestAnalyzeSupportsProcessedTranscriptSourceWhenConfigured(t *testing.T) {
 	env, m, fake := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "processed.json"), `{"segments":[]}`)

 	artifact := env.Config.Pipeline.Scriptorium.Artifacts["session_recap"]
@@ -449,7 +449,7 @@ func TestAnalyzeSupportsProcessedTranscriptSourceWhenConfigured(t *testing.T) {

 func TestAnalyzeSupportsNormalizedTranscriptSourceWhenConfigured(t *testing.T) {
 	env, m, fake := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	normalizedPath := filepath.Join(paths.TranscriptsDir, "normalized.json")
 	writeAnalyzeFile(t, normalizedPath, `{"segments":[{"id":1}]}`)

@@ -474,7 +474,7 @@ func TestAnalyzeSupportsNormalizedTranscriptSourceWhenConfigured(t *testing.T) {

 func TestAnalyzeSupportsNormalizedTranscriptSourceFromManifestOutput(t *testing.T) {
 	env, m, fake := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	fallbackPath := filepath.Join(paths.TranscriptsDir, "normalized.json")
 	manifestPath := filepath.Join(paths.ArtifactsDir, "normalized.from-manifest.json")
 	writeAnalyzeFile(t, fallbackPath, `{"segments":[{"id":999}]}`)
@@ -528,7 +528,7 @@ func TestAnalyzeFailsWhenNormalizedTranscriptMissing(t *testing.T) {

 func TestAnalyzeFailsWhenProcessedTranscriptInvalidJSON(t *testing.T) {
 	env, m, _ := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "trimmed.json"), `{not-json`)

 	_, err := (analyzeStage{}).Run(context.Background(), env, m)
@@ -542,7 +542,7 @@ func TestAnalyzeFailsWhenProcessedTranscriptInvalidJSON(t *testing.T) {

 func TestAnalyzeFailsWhenProcessedTranscriptMissingSegmentsArray(t *testing.T) {
 	env, m, _ := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "trimmed.json"), `{"not_segments":[]}`)

 	_, err := (analyzeStage{}).Run(context.Background(), env, m)
@@ -556,7 +556,7 @@ func TestAnalyzeFailsWhenProcessedTranscriptMissingSegmentsArray(t *testing.T) {

 func TestAnalyzeRecordsRefsAndMetadata(t *testing.T) {
 	env, m, _ := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "trimmed.json"), `{"segments":[]}`)

 	result, err := (analyzeStage{}).Run(context.Background(), env, m)
@@ -585,7 +585,7 @@ func TestAnalyzeRecordsRefsAndMetadata(t *testing.T) {

 func TestAnalyzeHandlesAdapterError(t *testing.T) {
 	env, m, fake := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "trimmed.json"), `{"segments":[]}`)
 	fake.RunErr = errors.New("adapter boom")

@@ -600,7 +600,7 @@ func TestAnalyzeHandlesAdapterError(t *testing.T) {

 func TestAnalyzeHandlesValidationFailedResultAsError(t *testing.T) {
 	env, m, fake := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "trimmed.json"), `{"segments":[]}`)
 	fake.RunResult = scriptorium.ArtifactResult{
 		ValidationFailed: true,
@@ -619,7 +619,7 @@ func TestAnalyzeHandlesValidationFailedResultAsError(t *testing.T) {

 func TestAnalyzeSkipsWhenNoEnabledScriptoriumArtifactsConfigured(t *testing.T) {
 	env, m, _ := setupAnalyzeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeAnalyzeFile(t, filepath.Join(paths.TranscriptsDir, "trimmed.json"), `{"segments":[]}`)

 	env.Config.Pipeline.Scriptorium.Artifacts["session_recap"] = config.ScriptoriumArtifactConfig{
@@ -692,7 +692,7 @@ func setupAnalyzeEnv(t *testing.T) (*Env, *manifest.Manifest, *scriptorium.FakeR
 	}

 	store := artifacts.NewLocalStore(workspace)
-	if _, err := store.EnsureLayout("2026-05-03"); err != nil {
+	if _, err := store.EnsureLayoutFor("sample-campaign", "2026-05-03"); err != nil {
 		t.Fatalf("EnsureLayout() error = %v", err)
 	}

--- a/internal/stage/archive.go
+++ b/internal/stage/archive.go
@@ -277,8 +277,11 @@ func archiveWorkDir(env *Env, m *manifest.Manifest) (string, error) {
 	if info, err := os.Stat(runScoped); err == nil && info.IsDir() {
 		return runScoped, nil
 	}
-	legacy := artifacts.SessionWorkDir(env.Config.Pipeline.Workspace.Root, sessionID)
-	return legacy, nil
+	paths, err := artifacts.NewLocalStore(env.Config.Pipeline.Workspace.Root).ResolveSessionPathsFor(campaign, sessionID)
+	if err != nil {
+		return "", err
+	}
+	return paths.Root, nil
 }

 func archiveRunPrefix(env *Env, m *manifest.Manifest) (string, error) {
@@ -385,9 +388,11 @@ func archiveSourceWorkDirs(env *Env, m *manifest.Manifest, runWorkDir string) []
 		sessionID = strings.TrimSpace(m.SessionID)
 	}
 	if sessionID != "" {
-		sessionWorkDir := filepath.Clean(artifacts.SessionWorkDir(env.Config.Pipeline.Workspace.Root, sessionID))
-		if sessionWorkDir != "" {
-			candidates = append(candidates, sessionWorkDir)
+		paths, err := artifacts.NewLocalStore(env.Config.Pipeline.Workspace.Root).ResolveSessionPathsFor(strings.TrimSpace(env.Config.Session.Campaign), sessionID)
+		if err == nil {
+			if cleanRoot := filepath.Clean(paths.Root); cleanRoot != "" {
+				candidates = append(candidates, cleanRoot)
+			}
 		}
 	}
 	seen := make(map[string]struct{}, len(candidates))
@@ -488,8 +493,11 @@ func resolveArchiveManifestSource(env *Env, m *manifest.Manifest, workDir string
 		sessionID = strings.TrimSpace(m.SessionID)
 	}
 	if sessionID != "" {
-		sessionManifest := filepath.Join(artifacts.SessionWorkDir(env.Config.Pipeline.Workspace.Root, sessionID), "manifest.json")
-		candidates = append(candidates, sessionManifest)
+		paths, err := artifacts.NewLocalStore(env.Config.Pipeline.Workspace.Root).ResolveSessionPathsFor(strings.TrimSpace(env.Config.Session.Campaign), sessionID)
+		if err != nil {
+			return "", err
+		}
+		candidates = append(candidates, paths.ManifestPath)
 	}

 	seen := make(map[string]struct{}, len(candidates))
--- a/internal/stage/archive_test.go
+++ b/internal/stage/archive_test.go
@@ -183,7 +183,7 @@ func TestArchiveFailsWhenRequiredPromotionMissing(t *testing.T) {
 	}
 }

-func TestArchivePromotionFallsBackToSessionWorkDir(t *testing.T) {
+func TestArchivePromotionFailsOnAmbiguousSessionRoots(t *testing.T) {
 	env, m, runWorkDir := archiveFixture(t)
 	sessionWorkDir := artifacts.SessionWorkDir(env.Config.Pipeline.Workspace.Root, m.SessionID)
 	sessionTrimmed := filepath.Join(sessionWorkDir, "transcripts", "trimmed.json")
@@ -193,16 +193,12 @@ func TestArchivePromotionFallsBackToSessionWorkDir(t *testing.T) {
 	}
 	writeStageTestFile(t, sessionTrimmed, "{}\n")

-	result, err := archiveStage{}.Run(context.Background(), env, m)
-	if err != nil {
-		t.Fatalf("Run() error = %v", err)
+	_, err := archiveStage{}.Run(context.Background(), env, m)
+	if err == nil {
+		t.Fatal("expected ambiguity error, got nil")
 	}
-	if result.Metadata["promoted_files_uploaded"] != 2 {
-		t.Fatalf("metadata promoted_files_uploaded = %#v, want 2", result.Metadata["promoted_files_uploaded"])
-	}
-	fake := env.ObjectStore.(*storage.FakeBackend)
-	if _, ok := fake.Objects[m.S3SessionPrefix+"transcripts/trimmed.json"]; !ok {
-		t.Fatalf("missing promoted trimmed key from session fallback")
+	if !strings.Contains(err.Error(), "ambiguous session workspace roots") {
+		t.Fatalf("error = %v, want ambiguity error", err)
 	}
 }

--- a/internal/stage/merge.go
+++ b/internal/stage/merge.go
@@ -57,7 +57,7 @@ func (mergeStage) Run(ctx context.Context, env *Env, m *manifest.Manifest) (*Sta
 		return nil, fmt.Errorf("merge: session id is required")
 	}

-	paths := env.ArtifactStore.SessionPaths(sessionID)
+	paths := sessionPathsForEnv(env, sessionID)

 	inputs, err := discoverRawTranscripts(m, paths)
 	if err != nil {
--- a/internal/stage/merge_test.go
+++ b/internal/stage/merge_test.go
@@ -33,7 +33,7 @@ func (r *normalizeDirAssertingRunner) Normalize(ctx context.Context, req seriati

 func TestMergeStageMergesRawTranscriptsAndRecordsMetadata(t *testing.T) {
 	env, m := setupMergeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)

 	inA := filepath.Join(paths.TranscriptsRawDir, "alice.json")
 	inB := filepath.Join(paths.TranscriptsRawDir, "bob.json")
@@ -122,7 +122,7 @@ func TestMergeStageMergesRawTranscriptsAndRecordsMetadata(t *testing.T) {

 func TestMergeStageFailsWhenNoRawTranscripts(t *testing.T) {
 	env, m := setupMergeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.InputsDir, "speakers.yml"), "match: []\n")
 	writeFile(t, filepath.Join(paths.InputsDir, "autocorrect.yml"), "rules: []\n")
 	env.Seriatim = &seriatim.FakeRunner{}
@@ -138,7 +138,7 @@ func TestMergeStageFailsWhenNoRawTranscripts(t *testing.T) {

 func TestMergeStageFailsOnInvalidInputJSON(t *testing.T) {
 	env, m := setupMergeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsRawDir, "alice.json"), "not-json")
 	writeFile(t, filepath.Join(paths.InputsDir, "speakers.yml"), "match: []\n")
 	writeFile(t, filepath.Join(paths.InputsDir, "autocorrect.yml"), "rules: []\n")
@@ -155,7 +155,7 @@ func TestMergeStageFailsOnInvalidInputJSON(t *testing.T) {

 func TestMergeStageFailsWhenAdapterFails(t *testing.T) {
 	env, m := setupMergeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsRawDir, "alice.json"), `{"segments":[]}`)
 	writeFile(t, filepath.Join(paths.InputsDir, "speakers.yml"), "match: []\n")
 	writeFile(t, filepath.Join(paths.InputsDir, "autocorrect.yml"), "rules: []\n")
@@ -172,7 +172,7 @@ func TestMergeStageFailsWhenAdapterFails(t *testing.T) {

 func TestMergeStageFallsBackToRawDirectoryWhenTranscribeOutputsMissing(t *testing.T) {
 	env, m := setupMergeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsRawDir, "alice.json"), `{"segments":[]}`)
 	writeFile(t, filepath.Join(paths.InputsDir, "speakers.yml"), "match: []\n")
 	writeFile(t, filepath.Join(paths.InputsDir, "autocorrect.yml"), "rules: []\n")
@@ -193,7 +193,7 @@ func TestMergeStageFallsBackToRawDirectoryWhenTranscribeOutputsMissing(t *testin

 func TestMergeStageResolvesWorkspaceQualifiedManifestOutputsWithoutDuplication(t *testing.T) {
 	env, m := setupMergeEnvWithRelativeWorkspaceRoot(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)

 	rawPath := filepath.Join(paths.TranscriptsRawDir, "alice.json")
 	writeFile(t, rawPath, `{"segments":[]}`)
@@ -224,7 +224,7 @@ func TestMergeStageResolvesWorkspaceQualifiedManifestOutputsWithoutDuplication(t

 func TestMergeStageCreatesNormalizedRawDirectoryBeforeNormalize(t *testing.T) {
 	env, m := setupMergeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)

 	rawPath := filepath.Join(paths.TranscriptsRawDir, "alice.json")
 	writeFile(t, rawPath, `{"segments":[]}`)
@@ -248,7 +248,7 @@ func TestMergeStageCreatesNormalizedRawDirectoryBeforeNormalize(t *testing.T) {

 func TestMergeStageFailsWhenNormalizeAdapterFails(t *testing.T) {
 	env, m := setupMergeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	in := filepath.Join(paths.TranscriptsRawDir, "alice.json")
 	writeFile(t, in, `{"segments":[]}`)
 	writeFile(t, filepath.Join(paths.InputsDir, "speakers.yml"), "match: []\n")
@@ -266,7 +266,7 @@ func TestMergeStageFailsWhenNormalizeAdapterFails(t *testing.T) {

 func TestMergeStageFailsWhenNormalizedOutputInvalid(t *testing.T) {
 	env, m := setupMergeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	in := filepath.Join(paths.TranscriptsRawDir, "alice.json")
 	writeFile(t, in, `{"segments":[]}`)
 	writeFile(t, filepath.Join(paths.InputsDir, "speakers.yml"), "match: []\n")
@@ -291,7 +291,7 @@ func TestMergeStageFailsWhenNormalizedOutputInvalid(t *testing.T) {

 func TestMergeStageResolvesSessionRelativeManifestOutputs(t *testing.T) {
 	env, m := setupMergeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)

 	rawPath := filepath.Join(paths.TranscriptsRawDir, "alice.json")
 	writeFile(t, rawPath, `{"segments":[]}`)
@@ -373,7 +373,7 @@ func setupMergeEnvWithWorkspace(t *testing.T, workspace string) (*Env, *manifest
 	}

 	store := artifacts.NewLocalStore(workspace)
-	if _, err := store.EnsureLayout("2026-05-03"); err != nil {
+	if _, err := store.EnsureLayoutFor("sample-campaign", "2026-05-03"); err != nil {
 		t.Fatalf("EnsureLayout() error = %v", err)
 	}
 	return &Env{
--- a/internal/stage/normalize.go
+++ b/internal/stage/normalize.go
@@ -54,7 +54,7 @@ func (normalizeStage) Run(ctx context.Context, env *Env, m *manifest.Manifest) (
 		return nil, fmt.Errorf("normalize: session id is required")
 	}

-	paths := env.ArtifactStore.SessionPaths(sessionID)
+	paths := sessionPathsForEnv(env, sessionID)
 	processedPath, processedSource, err := discoverProcessedTranscript(m, paths)
 	if err != nil {
 		return nil, fmt.Errorf("normalize: resolve processed transcript: %w", err)
--- a/internal/stage/normalize_test.go
+++ b/internal/stage/normalize_test.go
@@ -16,7 +16,7 @@ import (

 func TestNormalizeStageConsumesProcessedTranscriptFromManifest(t *testing.T) {
 	env, m, ser := setupNormalizeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	manifestProcessed := filepath.Join(paths.ArtifactsDir, "processed.from-manifest.json")
 	writeFile(t, manifestProcessed, `{"segments":[{"id":10}]}`)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "processed.json"), `{"segments":[{"id":99}]}`)
@@ -43,7 +43,7 @@ func TestNormalizeStageConsumesProcessedTranscriptFromManifest(t *testing.T) {

 func TestNormalizeStageFallsBackToProcessedTranscriptPath(t *testing.T) {
 	env, m, ser := setupNormalizeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	fallback := filepath.Join(paths.TranscriptsDir, "processed.json")
 	writeFile(t, fallback, `{"segments":[{"id":1}]}`)

@@ -72,7 +72,7 @@ func TestNormalizeStageFailsWhenProcessedTranscriptMissing(t *testing.T) {

 func TestNormalizeStageFailsWhenProcessedTranscriptInvalidJSON(t *testing.T) {
 	env, m, _ := setupNormalizeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "processed.json"), "not-json")

 	_, err := (normalizeStage{}).Run(context.Background(), env, m)
@@ -86,7 +86,7 @@ func TestNormalizeStageFailsWhenProcessedTranscriptInvalidJSON(t *testing.T) {

 func TestNormalizeStageFailsWhenProcessedTranscriptMissingSegments(t *testing.T) {
 	env, m, _ := setupNormalizeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "processed.json"), `{"schema":"audita.processed.v1"}`)

 	_, err := (normalizeStage{}).Run(context.Background(), env, m)
@@ -100,7 +100,7 @@ func TestNormalizeStageFailsWhenProcessedTranscriptMissingSegments(t *testing.T)

 func TestNormalizeStagePassesConfiguredOutputSchemaToAdapter(t *testing.T) {
 	env, m, ser := setupNormalizeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "processed.json"), `{"segments":[{"id":1}]}`)
 	env.Config.Pipeline.Normalize.OutputSchema = "seriatim-full"

@@ -121,7 +121,7 @@ func TestNormalizeStagePassesConfiguredOutputSchemaToAdapter(t *testing.T) {

 func TestNormalizeStageRecordsNormalizedTranscriptOutputKind(t *testing.T) {
 	env, m, _ := setupNormalizeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "processed.json"), `{"segments":[{"id":1}]}`)

 	result, err := (normalizeStage{}).Run(context.Background(), env, m)
@@ -138,7 +138,7 @@ func TestNormalizeStageRecordsNormalizedTranscriptOutputKind(t *testing.T) {

 func TestNormalizeStageRecordsReportLogAndGeneratedConfigRefs(t *testing.T) {
 	env, m, _ := setupNormalizeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "processed.json"), `{"segments":[{"id":1}]}`)
 	report := true
 	env.Config.Pipeline.Normalize.Report = &report
@@ -164,7 +164,7 @@ func TestNormalizeStageRecordsReportLogAndGeneratedConfigRefs(t *testing.T) {

 func TestNormalizeStageFailsWhenAdapterReturnsError(t *testing.T) {
 	env, m, ser := setupNormalizeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "processed.json"), `{"segments":[{"id":1}]}`)
 	ser.NormalizeErr = errors.New("normalize failed")

@@ -179,7 +179,7 @@ func TestNormalizeStageFailsWhenAdapterReturnsError(t *testing.T) {

 func TestNormalizeStageFailsWhenNormalizedOutputInvalid(t *testing.T) {
 	env, m, ser := setupNormalizeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "processed.json"), `{"segments":[{"id":1}]}`)
 	badOutput := filepath.Join(paths.TranscriptsDir, "normalized.bad.json")
 	writeFile(t, badOutput, "not-json")
@@ -196,7 +196,7 @@ func TestNormalizeStageFailsWhenNormalizedOutputInvalid(t *testing.T) {

 func TestNormalizeStageReportEnabledFailsWhenReportMissing(t *testing.T) {
 	env, m, ser := setupNormalizeEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "processed.json"), `{"segments":[{"id":1}]}`)
 	report := true
 	env.Config.Pipeline.Normalize.Report = &report
@@ -243,7 +243,7 @@ func setupNormalizeEnv(t *testing.T) (*Env, *manifest.Manifest, *seriatim.FakeRu
 	}

 	store := artifacts.NewLocalStore(workspace)
-	if _, err := store.EnsureLayout("2026-05-03"); err != nil {
+	if _, err := store.EnsureLayoutFor("sample-campaign", "2026-05-03"); err != nil {
 		t.Fatalf("EnsureLayout() error = %v", err)
 	}

--- a/internal/stage/placeholders_test.go
+++ b/internal/stage/placeholders_test.go
@@ -224,7 +224,7 @@ func TestPlaceholderAdapterErrorPropagation(t *testing.T) {

 	root := t.TempDir()
 	store := artifacts.NewLocalStore(root)
-	_, err := store.EnsureLayout("2026-05-03")
+	_, err := store.EnsureLayoutFor("sample-campaign", "2026-05-03")
 	if err != nil {
 		t.Fatalf("EnsureLayout() error = %v", err)
 	}
--- a/internal/stage/polish.go
+++ b/internal/stage/polish.go
@@ -55,7 +55,7 @@ func (polishStage) Run(ctx context.Context, env *Env, m *manifest.Manifest) (*St
 		return nil, fmt.Errorf("polish: session id is required")
 	}

-	paths := env.ArtifactStore.SessionPaths(sessionID)
+	paths := sessionPathsForEnv(env, sessionID)
 	mergedPath, source, err := discoverMergedTranscript(m, paths)
 	if err != nil {
 		return nil, fmt.Errorf("polish: resolve merged transcript: %w", err)
--- a/internal/stage/polish_test.go
+++ b/internal/stage/polish_test.go
@@ -16,7 +16,7 @@ import (

 func TestPolishStagePolishesMergedTranscriptAndRecordsMetadata(t *testing.T) {
 	env, m := setupPolishEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)

 	mergedPath := filepath.Join(paths.TranscriptsDir, "merged.json")
 	writeFile(t, mergedPath, `{"segments":[]}`)
@@ -120,7 +120,7 @@ func TestPolishStagePolishesMergedTranscriptAndRecordsMetadata(t *testing.T) {

 func TestPolishStageFallsBackToMergedTranscriptPath(t *testing.T) {
 	env, m := setupPolishEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	mergedPath := filepath.Join(paths.TranscriptsDir, "merged.json")
 	writeFile(t, mergedPath, `{"segments":[]}`)
 	writeFile(t, filepath.Join(paths.InputsDir, "glossary.yml"), "terms: []\n")
@@ -142,7 +142,7 @@ func TestPolishStageFallsBackToMergedTranscriptPath(t *testing.T) {

 func TestPolishStageFailsWhenMergedTranscriptMissing(t *testing.T) {
 	env, m := setupPolishEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.InputsDir, "glossary.yml"), "terms: []\n")
 	env.Audita = &audita.FakeRunner{}

@@ -157,7 +157,7 @@ func TestPolishStageFailsWhenMergedTranscriptMissing(t *testing.T) {

 func TestPolishStageFailsWhenMergedTranscriptInvalidJSON(t *testing.T) {
 	env, m := setupPolishEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "merged.json"), "not-json")
 	writeFile(t, filepath.Join(paths.InputsDir, "glossary.yml"), "terms: []\n")
 	env.Audita = &audita.FakeRunner{}
@@ -173,7 +173,7 @@ func TestPolishStageFailsWhenMergedTranscriptInvalidJSON(t *testing.T) {

 func TestPolishStageFailsWhenGlossaryMissing(t *testing.T) {
 	env, m := setupPolishEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "merged.json"), `{"segments":[]}`)
 	env.Audita = &audita.FakeRunner{}

@@ -188,7 +188,7 @@ func TestPolishStageFailsWhenGlossaryMissing(t *testing.T) {

 func TestPolishStageFailsWhenAdapterFails(t *testing.T) {
 	env, m := setupPolishEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "merged.json"), `{"segments":[]}`)
 	writeFile(t, filepath.Join(paths.InputsDir, "glossary.yml"), "terms: []\n")
 	env.Audita = &audita.FakeRunner{Err: errors.New("audita failed")}
@@ -204,7 +204,7 @@ func TestPolishStageFailsWhenAdapterFails(t *testing.T) {

 func TestPolishStageFailsWhenProcessedOutputInvalid(t *testing.T) {
 	env, m := setupPolishEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "merged.json"), `{"segments":[]}`)
 	writeFile(t, filepath.Join(paths.InputsDir, "glossary.yml"), "terms: []\n")
 	badPath := filepath.Join(paths.TranscriptsDir, "processed.invalid.json")
@@ -222,7 +222,7 @@ func TestPolishStageFailsWhenProcessedOutputInvalid(t *testing.T) {

 func TestPolishStageFailsWhenReportInvalid(t *testing.T) {
 	env, m := setupPolishEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "merged.json"), `{"segments":[]}`)
 	writeFile(t, filepath.Join(paths.InputsDir, "glossary.yml"), "terms: []\n")
 	badReport := filepath.Join(paths.ArtifactsDir, "bad.report.json")
@@ -284,7 +284,7 @@ func setupPolishEnv(t *testing.T) (*Env, *manifest.Manifest) {
 	}

 	store := artifacts.NewLocalStore(workspace)
-	if _, err := store.EnsureLayout("2026-05-03"); err != nil {
+	if _, err := store.EnsureLayoutFor("sample-campaign", "2026-05-03"); err != nil {
 		t.Fatalf("EnsureLayout() error = %v", err)
 	}
 	return &Env{
--- a/internal/stage/prepare.go
+++ b/internal/stage/prepare.go
@@ -54,7 +54,7 @@ func (prepareStage) Run(ctx context.Context, env *Env, m *manifest.Manifest) (*S
 		return nil, fmt.Errorf("prepare: session id is required")
 	}

-	paths, err := env.ArtifactStore.EnsureLayout(sessionID)
+	paths, err := ensureLayoutForEnv(env, sessionID)
 	if err != nil {
 		return nil, fmt.Errorf("prepare: ensure workdir layout: %w", err)
 	}
@@ -368,7 +368,11 @@ func pathsWorkDirForManifest(env *Env, m *manifest.Manifest, sessionID string) s
 	if runID != "" {
 		return artifacts.SessionRunWorkDir(env.Config.Pipeline.Workspace.Root, env.Config.Session.Campaign, sessionID, runID)
 	}
-	return artifacts.SessionWorkDir(env.Config.Pipeline.Workspace.Root, sessionID)
+	campaign := strings.TrimSpace(env.Config.Session.Campaign)
+	if campaign == "" {
+		return artifacts.SessionWorkDir(env.Config.Pipeline.Workspace.Root, sessionID)
+	}
+	return artifacts.SessionWorkDirForCampaign(env.Config.Pipeline.Workspace.Root, campaign, sessionID)
 }

 func resolvePath(baseDir, p string) (string, error) {
--- a/internal/stage/prepare_test.go
+++ b/internal/stage/prepare_test.go
@@ -33,7 +33,7 @@ func TestPrepareStageExplicitAudioFiles(t *testing.T) {
 		t.Fatalf("result metadata = %#v, want prepared=true", result)
 	}

-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	for _, p := range []string{
 		filepath.Join(paths.InputsDir, "session.yml"),
 		filepath.Join(paths.InputsDir, "pipeline.resolved.yml"),
@@ -76,7 +76,7 @@ func TestPrepareStageAudioDirEnumeration(t *testing.T) {
 		t.Fatalf("audio_files_resolved = %#v, want 1", got)
 	}

-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	if _, err := os.Stat(filepath.Join(paths.AudioDir, "a.flac")); err != nil {
 		t.Fatalf("expected copied flac: %v", err)
 	}
--- a/internal/stage/session_paths.go
+++ b/internal/stage/session_paths.go
@@ -0,0 +1,29 @@
+package stage
+
+import (
+	"strings"
+
+	"gitea.maximumdirect.net/eric/narratio/internal/artifacts"
+)
+
+func sessionPathsForEnv(env *Env, sessionID string) artifacts.SessionPaths {
+	campaign := ""
+	if env != nil && env.Config != nil && env.Config.Session != nil {
+		campaign = strings.TrimSpace(env.Config.Session.Campaign)
+	}
+	if campaign == "" {
+		return env.ArtifactStore.SessionPaths(sessionID)
+	}
+	return env.ArtifactStore.SessionPathsFor(campaign, sessionID)
+}
+
+func ensureLayoutForEnv(env *Env, sessionID string) (artifacts.SessionPaths, error) {
+	campaign := ""
+	if env != nil && env.Config != nil && env.Config.Session != nil {
+		campaign = strings.TrimSpace(env.Config.Session.Campaign)
+	}
+	if campaign == "" {
+		return env.ArtifactStore.EnsureLayout(sessionID)
+	}
+	return env.ArtifactStore.EnsureLayoutFor(campaign, sessionID)
+}
--- a/internal/stage/transcribe.go
+++ b/internal/stage/transcribe.go
@@ -55,7 +55,7 @@ func (transcribeStage) Run(ctx context.Context, env *Env, m *manifest.Manifest)
 		return nil, fmt.Errorf("transcribe: session id is required")
 	}

-	paths := env.ArtifactStore.SessionPaths(sessionID)
+	paths := sessionPathsForEnv(env, sessionID)
 	audioFiles, err := discoverPreparedAudio(m, paths.AudioDir)
 	if err != nil {
 		return nil, fmt.Errorf("transcribe: resolve audio inputs: %w", err)
--- a/internal/stage/transcribe_test.go
+++ b/internal/stage/transcribe_test.go
@@ -53,8 +53,8 @@ func TestTranscribeStageTranscribesPreparedAudio(t *testing.T) {
 	}
 	sort.Strings(gotPaths)
 	wantPaths := []string{
-		filepath.Join(env.ArtifactStore.SessionPaths(m.SessionID).TranscriptsRawDir, "alice.json"),
-		filepath.Join(env.ArtifactStore.SessionPaths(m.SessionID).TranscriptsRawDir, "bob.json"),
+		filepath.Join(sessionPathsForEnv(env, m.SessionID).TranscriptsRawDir, "alice.json"),
+		filepath.Join(sessionPathsForEnv(env, m.SessionID).TranscriptsRawDir, "bob.json"),
 	}
 	sort.Strings(wantPaths)
 	if strings.Join(gotPaths, "|") != strings.Join(wantPaths, "|") {
--- a/internal/stage/trim.go
+++ b/internal/stage/trim.go
@@ -54,7 +54,7 @@ func (trimStage) Run(ctx context.Context, env *Env, m *manifest.Manifest) (*Stag
 		return nil, fmt.Errorf("trim: session id is required")
 	}

-	paths := env.ArtifactStore.SessionPaths(sessionID)
+	paths := sessionPathsForEnv(env, sessionID)
 	normalizedPath, normalizedSource, err := discoverNormalizedTranscript(m, paths)
 	if err != nil {
 		return nil, fmt.Errorf("trim: resolve normalized transcript: %w", err)
--- a/internal/stage/trim_test.go
+++ b/internal/stage/trim_test.go
@@ -18,7 +18,7 @@ import (

 func TestTrimStageConsumesNormalizedAndProducesTrimmedTranscript(t *testing.T) {
 	env, m, scr, ser := setupTrimEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	normalized := filepath.Join(paths.TranscriptsDir, "normalized.json")
 	writeFile(t, normalized, `{"segments":[{"id":10},{"id":868}]}`)
 	m.MarkStageSucceeded("normalize", time.Now().UTC(), []manifest.ArtifactRecord{
@@ -70,7 +70,7 @@ func TestTrimStageConsumesNormalizedAndProducesTrimmedTranscript(t *testing.T) {

 func TestTrimStageUsesConfiguredScriptoriumInputName(t *testing.T) {
 	env, m, scr, _ := setupTrimEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	normalized := filepath.Join(paths.TranscriptsDir, "normalized.json")
 	writeFile(t, normalized, `{"segments":[{"id":10},{"id":11}]}`)
 	scr.BoundsBody = `{"trim_action":"trim","start_segment_id":10,"end_segment_id":11}`
@@ -94,7 +94,7 @@ func TestTrimStageUsesConfiguredScriptoriumInputName(t *testing.T) {

 func TestTrimStageRecordsLogAndGeneratedConfigRefs(t *testing.T) {
 	env, m, scr, _ := setupTrimEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "normalized.json"), `{"segments":[{"id":1},{"id":2}]}`)
 	scr.BoundsBody = `{"trim_action":"trim","start_segment_id":1,"end_segment_id":2}`

@@ -114,7 +114,7 @@ func TestTrimStageRecordsLogAndGeneratedConfigRefs(t *testing.T) {

 func TestTrimStageRenderDebugDiagnosticsAreNotStageOutputs(t *testing.T) {
 	env, m, scr, _ := setupTrimEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "normalized.json"), `{"segments":[{"id":1},{"id":2}]}`)
 	scr.BoundsBody = `{"trim_action":"trim","start_segment_id":1,"end_segment_id":2}`

@@ -152,7 +152,7 @@ func TestTrimStageFailsWhenNormalizedTranscriptMissing(t *testing.T) {

 func TestTrimStageDoesNotFallBackToProcessedTranscript(t *testing.T) {
 	env, m, scr, ser := setupTrimEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "processed.json"), `{"segments":[{"id":1},{"id":2}]}`)

 	_, err := (trimStage{}).Run(context.Background(), env, m)
@@ -172,7 +172,7 @@ func TestTrimStageDoesNotFallBackToProcessedTranscript(t *testing.T) {

 func TestTrimStageFailsWhenNormalizedTranscriptInvalidJSON(t *testing.T) {
 	env, m, _, _ := setupTrimEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "normalized.json"), "not-json")
 	_, err := (trimStage{}).Run(context.Background(), env, m)
 	if err == nil {
@@ -185,7 +185,7 @@ func TestTrimStageFailsWhenNormalizedTranscriptInvalidJSON(t *testing.T) {

 func TestTrimStageFailsWhenNormalizedTranscriptMissingSegmentsArray(t *testing.T) {
 	env, m, _, _ := setupTrimEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "normalized.json"), `{"schema":"audita.processed.v1"}`)
 	_, err := (trimStage{}).Run(context.Background(), env, m)
 	if err == nil {
@@ -198,7 +198,7 @@ func TestTrimStageFailsWhenNormalizedTranscriptMissingSegmentsArray(t *testing.T

 func TestTrimStageFailsWhenBoundsOutputInvalidJSON(t *testing.T) {
 	env, m, scr, _ := setupTrimEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "normalized.json"), `{"segments":[{"id":1},{"id":2}]}`)
 	scr.BoundsBody = "not-json"
 	_, err := (trimStage{}).Run(context.Background(), env, m)
@@ -212,7 +212,7 @@ func TestTrimStageFailsWhenBoundsOutputInvalidJSON(t *testing.T) {

 func TestTrimStageFailsWhenBoundsRangeIsDescending(t *testing.T) {
 	env, m, scr, _ := setupTrimEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "normalized.json"), `{"segments":[{"id":1},{"id":2}]}`)
 	scr.BoundsBody = `{"trim_action":"trim","start_segment_id":2,"end_segment_id":1}`
 	_, err := (trimStage{}).Run(context.Background(), env, m)
@@ -226,7 +226,7 @@ func TestTrimStageFailsWhenBoundsRangeIsDescending(t *testing.T) {

 func TestTrimStageFailsWhenBoundsIDsMissingFromTranscript(t *testing.T) {
 	env, m, scr, _ := setupTrimEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "normalized.json"), `{"segments":[{"id":20},{"id":21}]}`)
 	scr.BoundsBody = `{"trim_action":"trim","start_segment_id":10,"end_segment_id":21}`
 	_, err := (trimStage{}).Run(context.Background(), env, m)
@@ -240,7 +240,7 @@ func TestTrimStageFailsWhenBoundsIDsMissingFromTranscript(t *testing.T) {

 func TestTrimStageFailsWhenScriptoriumAdapterFails(t *testing.T) {
 	env, m, scr, _ := setupTrimEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "normalized.json"), `{"segments":[{"id":1},{"id":2}]}`)
 	scr.RunErr = errors.New("bounds failed")
 	_, err := (trimStage{}).Run(context.Background(), env, m)
@@ -254,7 +254,7 @@ func TestTrimStageFailsWhenScriptoriumAdapterFails(t *testing.T) {

 func TestTrimStageFailsWhenSeriatimTrimAdapterFails(t *testing.T) {
 	env, m, scr, ser := setupTrimEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	writeFile(t, filepath.Join(paths.TranscriptsDir, "normalized.json"), `{"segments":[{"id":1},{"id":2}]}`)
 	scr.BoundsBody = `{"trim_action":"trim","start_segment_id":1,"end_segment_id":2}`
 	ser.TrimErr = errors.New("trim failed")
@@ -269,7 +269,7 @@ func TestTrimStageFailsWhenSeriatimTrimAdapterFails(t *testing.T) {

 func TestTrimStageDisabledCopiesNormalizedTranscript(t *testing.T) {
 	env, m, scr, ser := setupTrimEnv(t)
-	paths := env.ArtifactStore.SessionPaths(m.SessionID)
+	paths := sessionPathsForEnv(env, m.SessionID)
 	normalized := filepath.Join(paths.TranscriptsDir, "normalized.json")
 	normalizedBody := `{"segments":[{"id":1,"text":"alpha"},{"id":2,"text":"beta"}]}`
 	writeFile(t, normalized, normalizedBody)
@@ -430,7 +430,7 @@ func setupTrimEnv(t *testing.T) (*Env, *manifest.Manifest, *boundsScriptoriumRun
 	}

 	store := artifacts.NewLocalStore(workspace)
-	if _, err := store.EnsureLayout("2026-05-03"); err != nil {
+	if _, err := store.EnsureLayoutFor("sample-campaign", "2026-05-03"); err != nil {
 		t.Fatalf("EnsureLayout() error = %v", err)
 	}