fix: COD-152 surface Codex generated artifacts

src/web/server.ts

@@ -62,6 +62,7 @@ import {
 import { imageWatcher } from '../image-watcher.js';
 import { workflowRunWatcher, summarizeRun } from '../workflow-run-watcher.js';
 import { attachmentRegistry, buildFileThumbnailRoute, registerExternalAttachment } from '../attachment-registry.js';
+import { registerGeneratedArtifactAttachment } from '../generated-artifact-attachments.js';
 import {
   buildDetectedAttachmentHistoryItem,
   buildExternalAttachmentHistoryItem,
@@ -1345,13 +1346,25 @@ export class WebServer extends EventEmitter {
    * directly inside a managed session). Registration also enforces the COD-53
    * blocklist as defense-in-depth.
    */
-  private async registerAttachment(sessionId: string, filePath: string): Promise<void> {
+  private async registerAttachment(
+    sessionId: string,
+    filePath: string,
+    source: 'external' | 'codex-generated' = 'external'
+  ): Promise<void> {
     const session = this.sessions.get(sessionId);
     if (!session) return;
-    const event = await registerExternalAttachment(sessionId, filePath, {
-      sessionWorkingDir: session.workingDir,
-      forceWorkspaceConfinement: true,
-    });
+    const event =
+      source === 'codex-generated'
+        ? await registerGeneratedArtifactAttachment({
+            sessionId,
+            filePath,
+            sessionWorkingDir: session.workingDir,
+            remote: session.remote,
+          })
+        : await registerExternalAttachment(sessionId, filePath, {
+            sessionWorkingDir: session.workingDir,
+            forceWorkspaceConfinement: true,
+          });
     const record = attachmentRegistry.get(sessionId, event.attachmentId);
     if (record) {
       session.upsertAttachmentHistory(

src/web/session-listener-wiring.ts

@@ -58,7 +58,7 @@ export interface SessionListenerRefs {
   bashToolStart: (tool: ActiveBashTool) => void;
   bashToolEnd: (tool: ActiveBashTool) => void;
   bashToolsUpdate: (tools: ActiveBashTool[]) => void;
-  attachmentRequested: (event: { path: string }) => void;
+  attachmentRequested: (event: { path: string; source?: 'external' | 'codex-generated' }) => void;
 }
 
 /** Dependencies injected by WebServer — keeps listener creation decoupled from server internals. */
@@ -78,7 +78,7 @@ interface SessionListenerDeps {
   removeSessionListenerRefs(sessionId: string): void;
   cleanupRespawnOnExit(sessionId: string): void;
   getStore(): import('../state-store.js').StateStore;
-  registerAttachment(sessionId: string, filePath: string): Promise<void>;
+  registerAttachment(sessionId: string, filePath: string, source?: 'external' | 'codex-generated'): Promise<void>;
 }
 
 /**
@@ -359,8 +359,8 @@ export function createSessionListeners(session: Session, deps: SessionListenerDe
     },
 
     /** Registers an explicit attachment card requested by terminal magic text. */
-    attachmentRequested: (event: { path: string }) => {
-      deps.registerAttachment(session.id, event.path).catch((err) => {
+    attachmentRequested: (event: { path: string; source?: 'external' | 'codex-generated' }) => {
+      deps.registerAttachment(session.id, event.path, event.source).catch((err) => {
         console.error(`[Attachment] Failed to register ${event.path} for ${session.id}:`, err);
       });
     },