revert: roll back v12.3.3 (Issue Blowout 2026)

SessionStart context injection regressed in v12.3.3 — no memory
context is being delivered to new sessions. Rolling back to the
v12.3.2 tree state while the regression is investigated.

Reverts #2080.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/cli/handlers/session-init.ts

@@ -44,8 +44,7 @@ export const sessionInitHandler: EventHandler = {
       return { continue: true, suppressOutput: true, exitCode: HOOK_EXIT_CODES.SUCCESS };
     }
 
-    const { sessionId, prompt: rawPrompt } = input;
-    const cwd = input.cwd ?? process.cwd();  // Match context.ts fallback (#1918)
+    const { sessionId, cwd, prompt: rawPrompt } = input;
 
     // Guard: Codex CLI and other platforms may not provide a session_id (#744)
     if (!sessionId) {
@@ -70,23 +69,16 @@ export const sessionInitHandler: EventHandler = {
     logger.debug('HOOK', 'session-init: Calling /api/sessions/init', { contentSessionId: sessionId, project });
 
     // Initialize session via HTTP - handles DB operations and privacy checks
-    let initResponse: Response;
-    try {
-      initResponse = await workerHttpRequest('/api/sessions/init', {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({
-          contentSessionId: sessionId,
-          project,
-          prompt,
-          platformSource
-        })
-      });
-    } catch (err) {
-      // Worker unreachable — on Linux/WSL, hook may fire before worker is healthy (#1907)
-      logger.warn('HOOK', `session-init: worker request failed: ${err instanceof Error ? err.message : err}`);
-      return { continue: true, suppressOutput: true, exitCode: HOOK_EXIT_CODES.SUCCESS };
-    }
+    const initResponse = await workerHttpRequest('/api/sessions/init', {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({
+        contentSessionId: sessionId,
+        project,
+        prompt,
+        platformSource
+      })
+    });
 
     if (!initResponse.ok) {
       // Log but don't throw - a worker 500 should not block the user's prompt