test(ai-vault): clarify OpenCode discovery proof boundaries (#8864)

src/main/ai-vault/session-scanner-opencode-sqlite-coexistence.test.ts

@@ -96,7 +96,7 @@ function applyOpenCodeSchema(db: Database.Database): void {
   `)
 }
 
-describe('scanAiVaultSessions — OpenCode SQLite + legacy file coexistence', () => {
+describe('OpenCode SQLite coexistence and cache identity', () => {
   it('discovers SQLite sessions next to a custom OpenCode storage directory', async () => {
     const root = await mkdtemp(join(tmpdir(), 'orca-ai-vault-custom-opencode-'))
     tempRoots.push(root)

src/main/ai-vault/session-scanner-opencode-sqlite.test.ts

@@ -223,7 +223,7 @@ describe('listOpenCodeSqliteSessions', () => {
     expect(candidates[1].file.path).toBe(buildOpenCodeSqliteCandidatePath(path, 'ses_old'))
   })
 
-  it('discovers sessions when unrelated message, part, and event content is malformed', async () => {
+  it('discovers sessions when message content is malformed and part/event rows are noisy', async () => {
     const { db, path } = createTempDb()
     applyOpenCodeSchema(db)
     db.exec(`CREATE TABLE event (id TEXT PRIMARY KEY, data TEXT NOT NULL)`)