Merge branch 'worktree/web-carrier-chain' into worktree/web-ask-user-question

docs/config-catalog.md

@@ -933,7 +933,9 @@ export interface Config {
   /**
    * Root directory for all session files. Required (no default): a default of
    * `process.cwd()` would scatter session files as the process's cwd changes
-   * (bash calls, subprocesses). Sessions group under per-cwd subdirectories.
+   * (bash calls, subprocesses). Sessions group under per-cwd subdirectories. An
+   * existing root must be a readable directory; an absent root is created on
+   * first materialization.
    */
   root: string
   /**
@@ -953,7 +955,7 @@ export interface Config {
 export type JsonlCompression = 'zstd' | 'none'
 ```
 
-Source: [`packages/session-persistence/session-persistence-jsonl/src/index.ts:37`](../packages/session-persistence/session-persistence-jsonl/src/index.ts)
+Source: [`packages/session-persistence/session-persistence-jsonl/src/index.ts:38`](../packages/session-persistence/session-persistence-jsonl/src/index.ts)
 
 ## `@deepseek-ai/dsh-session-persistence-sqlite`
 

docs/core-data-structures/persistence.md

@@ -104,5 +104,3 @@ Both implement the same abstract `SessionPersistence` (locate/create/append/load
 
 - **[dsh-session-persistence-jsonl](../../packages/session-persistence/session-persistence-jsonl)** — an append-only logical JSONL log per session, stored as checksummed concatenated Zstandard frames by default or raw lines by configuration, with crash-safe atomic writes, interrupted-turn recovery, and a read/replay path.
 - **[dsh-session-persistence-sqlite](../../packages/session-persistence/session-persistence-sqlite)** — `node:sqlite`, one row per `SessionEvent`. The row shape `(session_id, seq, type, time, data, source_event_seqs, surface_op)` maps 1:1 onto the event, including optional surface metadata, so there is no parallel persisted schema to keep in sync.
-
-Multiple backends sharing one on-disk session coordinate writes through the [shared persistence write-coordinator](../../.agents/notes/implemented/architecture/2026-06-18-shared-persistence-write-coordinator.md).