style: drop em-dashes from the prose added in this branch

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

src/web/session-history-index.ts

@@ -5,31 +5,31 @@
  * session map alone, so a folder sitting in the home screen's "Resume
  * Conversation" list matched nothing (issue #261). The corpus that list renders
  * comes from `GET /api/sessions/unified`, which reads the lifecycle log and every
- * Claude transcript file — disk I/O the search path deliberately does not do
- * (its no-fs property is what keeps a per-keystroke query cheap and traversal-free).
+ * Claude transcript file: disk I/O the search path deliberately does not do (its
+ * no-fs property is what keeps a per-keystroke query cheap and traversal-free).
  *
  * This module is the seam between the two: a capped snapshot of the unified list
  * that the search route reads synchronously, refreshed OUT of the request path.
  * Two things fill it:
- *   1. `/api/sessions/unified` writes it as a side effect (free — it just merged
+ *   1. `/api/sessions/unified` writes it as a side effect (free, it just merged
  *      that list). The home screen calls that endpoint whenever it opens, which
  *      is the same screen the search box lives on, so it is warm in practice.
- *   2. `ensureHistorySessionIndexFresh()` — fire-and-forget, single-flight,
- *      TTL-guarded — kicks the registered refresher when a search finds the
+ *   2. `ensureHistorySessionIndexFresh()`, fire-and-forget, single-flight,
+ *      TTL-guarded, kicks the registered refresher when a search finds the
  *      snapshot stale. The caller never awaits it: the current query answers from
  *      the existing snapshot and the next one sees fresh data.
  *
  * OWNERSHIP: each item carries the `owner` of the session it came from, and rows
  * not tied to any live/persisted session (host-wide transcript history) carry
  * `owner: undefined`. `canAccessOwned()` then reproduces the unified route's rule
- * exactly — in multi-user mode a non-admin sees neither other users' sessions nor
+ * exactly, in multi-user mode a non-admin sees neither other users' sessions nor
  * unowned host-wide history, and in single-user mode every check short-circuits
  * true. The snapshot is written UNSCOPED, so it must never be returned unfiltered.
  *
  * Key exports:
- * - setHistorySessionIndex / getHistorySessionIndex — the snapshot accessors.
- * - buildHistorySessionIndexItems — pure merged-list → index-item projection.
- * - setHistoryIndexRefresher / ensureHistorySessionIndexFresh — the refresh hook.
+ * - setHistorySessionIndex / getHistorySessionIndex: the snapshot accessors.
+ * - buildHistorySessionIndexItems: pure merged-list → index-item projection.
+ * - setHistoryIndexRefresher / ensureHistorySessionIndexFresh: the refresh hook.
  */
 
 /** One past-session row in the snapshot. Mirrors what the search corpus needs, nothing more. */
@@ -38,7 +38,7 @@ export interface HistorySessionIndexItem {
   sessionId: string;
   /** Display name, may be empty for a transcript-only row. */
   name: string;
-  /** Absolute working directory — the field issue #261 is about matching. */
+  /** Absolute working directory, the field issue #261 is about matching. */
   workingDir: string;
   /** Claude conversation UUID, when known: what a resume actually replays. */
   claudeSessionId?: string;
@@ -47,7 +47,7 @@ export interface HistorySessionIndexItem {
   /**
    * Owning user, when the row is tied to a live or persisted session. `undefined`
    * means host-wide transcript history, which only admins (or single-user mode)
-   * may see — the same rule `/api/sessions/unified` applies.
+   * may see, the same rule `/api/sessions/unified` applies.
    */
   owner?: string;
   /** True when the session is still in the live map (search harvests those directly). */
@@ -81,7 +81,7 @@ export interface MergedSessionLike {
 }
 
 /**
- * Project a merged unified list into index items. PURE — the caller supplies the
+ * Project a merged unified list into index items. PURE, the caller supplies the
  * owner lookup and the live-id set it already has in hand.
  *
  * Rows with no working directory AND no name are dropped: they can never match a
@@ -121,7 +121,7 @@ export function setHistorySessionIndex(items: HistorySessionIndexItem[], now = D
 }
 
 /**
- * Read the snapshot. The returned array is UNSCOPED — callers must apply the
+ * Read the snapshot. The returned array is UNSCOPED, callers must apply the
  * per-item ownership check before exposing any of it.
  */
 export function getHistorySessionIndex(): HistorySessionIndexSnapshot {
@@ -142,7 +142,7 @@ export function setHistoryIndexRefresher(fn: (() => Promise<void>) | null): void
 }
 
 /**
- * Kick a background rebuild if the snapshot is stale. Returns immediately —
+ * Kick a background rebuild if the snapshot is stale. Returns immediately,
  * NEVER await this from a request handler, that is the whole point: the search
  * path answers from the current snapshot and stays free of disk I/O.
  */