Update architecture notes for the collapsed session seams

IMPLEMENTATION.md lists the excerpt and archive refs on their owning modules; TELEMETRY.md points at chrome-state.ts.

Author: TheGreatAxios

docs/IMPLEMENTATION.md

@@ -79,9 +79,8 @@ src/
     index.ts              Session lifecycle
     state.ts              RunState JSON save/load
     compactor.ts          Context compactor
-    summarizer.ts         Model-backed structured compaction summary (fails closed)
-    summary-excerpt.ts    Token-budgeted archive excerpt for the summary call
-    compaction-archive.ts Primary-only authorized evidence archive (post-policy capture)
+    summarizer.ts         Model-backed structured compaction summary (fails closed) + token-budgeted archive excerpt
+    compaction-archive.ts Primary-only authorized evidence archive (post-policy capture) + archive:// occurrence refs
     compaction-archive-schema.ts Archive occurrence / completeness certificate schemas
     run-sink.ts           Run-level event sink
     stream-consumer.ts    Async stream consumer with error handling

docs/TELEMETRY.md

@@ -107,7 +107,7 @@ recorded.
 
 `auth_provider` is a separate property for that reason: it names which
 provider's sign-in was rejected (`codex`, `xai`, `anthropic`, `other`),
-chosen from a fixed first-party set in `src/tui/session-chrome.ts`. No
+chosen from a fixed first-party set in `src/tui/chrome-state.ts`. No
 part of the provider's rejection message is sent.
 
 The mapping is `src/telemetry/classify.ts`, and the tests that feed each