Merge remote-tracking branch 'origin/master' into codex/pr48-repo-hardening-rfcs

# Conflicts:
#	docs/adr/README.md
#	docs/rfc/009-session-persistence-and-resumability.md
#	docs/rfc/README.md
#	docs/rfc/implemented/2026-06-11-doc-sync-enforcement.md
#	docs/rfc/proposed/2026-06-14-acp-agent-client-protocol.md
#	examples/acp-agent/tests/acp.e2e.ts
#	packages/acp/README.md
#	packages/acp/src/index.ts
#	packages/acp/tests/stream-update.spec.ts
#	packages/agent-loop/src/loop.ts
#	packages/tools/src/index.ts

packages/agent/src/types.ts

@@ -64,7 +64,7 @@ export interface Agent {
    * request sees at its chronological position, rendered as tagged synthetic
    * context rather than a user prompt. Does not run the model.
    *
-   * Turn-enclosure (ADR 0017): an inject while a turn is open joins that turn;
+   * Turn-enclosure (the turn-enclosure RFC): an inject while a turn is open joins that turn;
    * an inject while idle wraps its `context/message` in a one-shot `injection`
    * turn (`turn/start` → `context/message` → `turn/end`) and checkpoints it for
    * durability, so every event stays inside a turn and a persistence backend