Merge remote-tracking branch 'origin/master' into worktree/session-reference

# Conflicts:
#	docs/capability-seams.md
#	docs/config-catalog.md
#	docs/cordis-catalog/services.md
#	docs/module-graph.md
#	examples/acp-agent/tests/snapshots/cordis-inspect-jsdoc/session.jsonl
#	packages/cordis/tool-cordis/src/api-catalog.ts
#	packages/ui/acp/README.md
#	packages/ui/acp/package.json
#	packages/ui/acp/tsconfig.json
#	packages/ui/tui/package.json
#	packages/ui/tui/src/index.ts
#	packages/ui/tui/tests/tui.spec.ts
#	packages/ui/tui/tsconfig.json
#	pnpm-lock.yaml
#	python/sdk-runtime/package.json
#	scripts/gen-doc-graphs.ts
#	scripts/type-equiv.manifest.json

docs/core-data-structures/session-reference.md

@@ -18,14 +18,14 @@ interface SessionReferenceInput {
 }
 ```
 
-`SessionReferenceCandidate` is metadata-only discovery output. Candidate search does not expose transcript text.
+`SessionReferenceCandidate` is host-facing discovery output. Its label uses the latest session title when present, while filtering still searches only session id and cwd and never transcript text.
 
 ```ts type-equiv
 /** One host-facing candidate from exact session metadata. */
 interface SessionReferenceCandidate {
   /** Opaque source session identity. */
   sessionId: SessionId
-  /** Default display label. */
+  /** Latest log-backed title, falling back to the opaque session id. */
   label: string
   /** Source session working directory, when recorded. */
   cwd?: string