feat(desktop): search sessions by id

apps/desktop/src/app/chat/sidebar/index.tsx

@@ -35,6 +35,7 @@ import {
 } from '@/components/ui/sidebar'
 import { Skeleton } from '@/components/ui/skeleton'
 import { searchSessions, type SessionInfo, type SessionSearchResult } from '@/hermes'
+import { sessionMatchesSearch } from '@/lib/session-search'
 import { cn } from '@/lib/utils'
 import {
   $panesFlipped,
@@ -330,11 +331,10 @@ export function ChatSidebar({
       return []
     }
 
-    const needle = trimmedQuery.toLowerCase()
     const out = new Map<string, SessionInfo>()
 
     for (const s of sortedSessions) {
-      if (`${s.title ?? ''} ${s.preview ?? ''} ${s.cwd ?? ''}`.toLowerCase().includes(needle)) {
+      if (sessionMatchesSearch(s, trimmedQuery)) {
         out.set(s.id, s)
       }
     }

apps/desktop/src/lib/session-search.test.ts

@@ -0,0 +1,58 @@
+import { describe, expect, it } from 'vitest'
+
+import type { SessionInfo } from '@/types/hermes'
+
+import { sessionMatchesSearch } from './session-search'
+
+function makeSession(overrides: Partial<SessionInfo> = {}): SessionInfo {
+  return {
+    archived: false,
+    cwd: '/home/user/projects/hermes-agent',
+    ended_at: null,
+    id: '20260603_090200_abcd12',
+    input_tokens: 0,
+    is_active: false,
+    last_active: 1_000,
+    message_count: 2,
+    model: 'claude',
+    output_tokens: 0,
+    preview: 'Fix Desktop session search',
+    source: 'cli',
+    started_at: 1_000,
+    title: 'Desktop Search Feature',
+    tool_call_count: 0,
+    ...overrides
+  }
+}
+
+describe('sessionMatchesSearch', () => {
+  it('matches loaded sessions by full and partial session id', () => {
+    const session = makeSession()
+
+    expect(sessionMatchesSearch(session, '20260603_090200_abcd12')).toBe(true)
+    expect(sessionMatchesSearch(session, '090200')).toBe(true)
+    expect(sessionMatchesSearch(session, 'ABCD12')).toBe(true)
+  })
+
+  it('matches projected compression sessions by lineage root id', () => {
+    const session = makeSession({
+      _lineage_root_id: '20260602_235959_root99',
+      id: '20260603_010000_tip01'
+    })
+
+    expect(sessionMatchesSearch(session, 'root99')).toBe(true)
+    expect(sessionMatchesSearch(session, '20260602')).toBe(true)
+  })
+
+  it('preserves title, preview, and workspace matching', () => {
+    const session = makeSession()
+
+    expect(sessionMatchesSearch(session, 'desktop search')).toBe(true)
+    expect(sessionMatchesSearch(session, 'session search')).toBe(true)
+    expect(sessionMatchesSearch(session, 'hermes-agent')).toBe(true)
+  })
+
+  it('does not match unrelated queries', () => {
+    expect(sessionMatchesSearch(makeSession(), 'totally-unrelated')).toBe(false)
+  })
+})

apps/desktop/src/lib/session-search.ts

@@ -0,0 +1,19 @@
+import type { SessionInfo } from '@/types/hermes'
+
+import { sessionTitle } from './chat-runtime'
+
+export function sessionMatchesSearch(session: SessionInfo, query: string): boolean {
+  const needle = query.trim().toLowerCase()
+
+  if (!needle) {
+    return true
+  }
+
+  return [
+    session.id,
+    session._lineage_root_id ?? '',
+    sessionTitle(session),
+    session.preview ?? '',
+    session.cwd ?? ''
+  ].some(value => value.toLowerCase().includes(needle))
+}