Reject unversioned party documents

docs/config.md

@@ -62,8 +62,7 @@ effective pipeline YAML, with defaults and concrete expansion included but
 composition and family declarations omitted. `config sources` prints a stable
 source projection instead of effective values: root/import/profile/default
 ownership plus campaign/party and generated-family records. Canonical derived
-players trace to the party; a legacy configured players file is explicitly
-marked as a legacy player source. The [CLI reference](cli.md#config-validate-config-show-config-sources-and-config-diff)
+players trace to the party. The [CLI reference](cli.md#config-validate-config-show-config-sources-and-config-diff)
 owns command syntax and output conventions.
 
 `config diff` compares normalized field values rather than YAML text or source
@@ -83,8 +82,8 @@ selected overlay, and retain a production `default_profile`. Convert campaign
 rosters to [canonical party input](integrations/party.md), remove a separate
 `players_file`, then express character work as families. Inspect the result
 with `config validate`, `config show`, and `config sources`; use `config diff`
-to review profiles before running a session. Unversioned parties and their
-`players_file` remain a clearly bounded legacy compatibility path.
+to review profiles before running a session. Unversioned party documents are
+rejected.
 
 ### Identity segments
 
@@ -116,12 +115,10 @@ remote state with an unsafe legacy identity must be migrated before use.
   `party_file`) and the optional `spell_catalog_file` resolve from session
   overrides when provided, otherwise from campaign defaults. An empty or
   omitted session spell-catalog value inherits the campaign value.
-- `party_file` is classified when pipeline and campaign configuration are
-  combined. A versioned [canonical party](integrations/party.md) is
+- `party_file` is parsed when pipeline and campaign configuration are combined.
+  It must be a versioned [canonical party](integrations/party.md), is
   campaign-owned, derives the players input internally, and forbids both a
-  separate `players_file` and a session `party_file` override. An unversioned
-  party remains a bounded legacy input and requires `players_file`; its normal
-  campaign/session overrides continue to apply.
+  separate `players_file` and a session `party_file` override.
 - Exactly one audio mode must be configured in session input:
   - local (`audio_dir` or `audio_files`), or
   - S3 (`audio_s3.prefix`).
@@ -213,7 +210,6 @@ inputs:
   speakers_file: ./speakers.yml
   autocorrect_file: ./autocorrect.yml
   glossary_file: ./glossary.yml
-  players_file: ./players.yml
   party_file: ./party.yml
 ```
 
@@ -476,7 +472,8 @@ does not provide adapter-specific input passthrough fields.
 `pipeline.scriptorium.artifact_families` declares a shared artifact template
 for every canonical campaign character. Configuration resolution expands each
 family into ordinary `pipeline.scriptorium.artifacts` entries before analyze
-planning or Scriptorium invocation. A legacy party cannot be used for a family.
+planning or Scriptorium invocation. Party parsing rejects unsupported document
+schemas before family expansion.
 
 For each `pipeline.scriptorium.artifact_families.<name>`:
 
@@ -524,7 +521,7 @@ integration.
 | `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 | Conditional | required only with an unversioned legacy `party_file`; forbidden for a canonical party |
+| `inputs.players_file` | string | No | retained temporarily for configuration compatibility; forbidden with the required canonical party |
 | `inputs.party_file` | string | Yes | stable campaign party source; relative paths resolve from `campaign.yml` |
 | `inputs.spell_catalog_file` | string | No | optional spell-catalog overlay default; required when a Notarius reference selects `narratio.input.spell_catalog` |
 
@@ -540,8 +537,8 @@ integration.
 | `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 | legacy-party override; forbidden for a canonical party |
-| `inputs.party_file` | string | No | legacy-party override; forbidden for a canonical campaign party |
+| `inputs.players_file` | string | No | retained temporarily for configuration compatibility; forbidden with the required canonical party |
+| `inputs.party_file` | string | No | retained temporarily for configuration compatibility; forbidden for a canonical campaign party |
 | `inputs.spell_catalog_file` | string | No | overrides the optional campaign spell catalog; empty or omitted inherits the campaign value |
 | `inputs.audio_dir` | string | Conditional | local audio mode |
 | `inputs.audio_files[]` | list[string] | Conditional | local audio mode |