diff --git a/src/sessionSummaryBridge.test.ts b/src/sessionSummaryBridge.test.ts
index 6a04219..01997ad 100644
--- a/src/sessionSummaryBridge.test.ts
+++ b/src/sessionSummaryBridge.test.ts
@@ -82,7 +82,7 @@ describe('OpenCode session summary bridge', () => {
         error: 'private error',
       },
       '/work/repo',
-      { ORGX_SESSION_WORK_EPISODE_CAPTURE: 'bounded' }
+      { ORGX_OPENCODE_WORK_CAPTURE: 'bounded' }
     );
     expect(result).toEqual({
       session_id: 'session-1',
@@ -119,9 +119,14 @@ describe('OpenCode session summary bridge', () => {
     expect(sanitizeOpenCodePayload(payload, '/work/repo').prompt).toBeUndefined();
     expect(
       sanitizeOpenCodePayload(payload, '/work/repo', {
-        ORGX_SESSION_WORK_EPISODE_CAPTURE: '1',
+        ORGX_OPENCODE_WORK_CAPTURE: 'bounded',
       }).prompt
     ).toBe('Only retain this when bounded capture is enabled.');
+    expect(
+      sanitizeOpenCodePayload(payload, '/work/repo', {
+        ORGX_SESSION_WORK_EPISODE_CAPTURE: 'bounded',
+      }).prompt
+    ).toBeUndefined();
   });
 
   it('bounds explicitly enabled prompt capture to 600 Unicode characters', () => {
@@ -130,7 +135,7 @@ describe('OpenCode session summary bridge', () => {
     const sanitized = sanitizeOpenCodePayload(
       { sessionID: 'session-bounded', prompt },
       '/work/repo',
-      { ORGX_SESSION_WORK_EPISODE_CAPTURE: 'bounded' }
+      { ORGX_OPENCODE_WORK_CAPTURE: 'bounded' }
     );
 
     expect(Array.from(sanitized.prompt as string)).toHaveLength(600);
@@ -165,6 +170,7 @@ describe('OpenCode session summary bridge', () => {
         argv: [
           '--event=RunEnd',
           '--source_client=opencode',
+          '--work_episode_capture=metadata-only',
         ],
         env: { PATH: process.env.PATH },
         stdinText: JSON.stringify({
@@ -184,42 +190,49 @@ describe('OpenCode session summary bridge', () => {
     }
   });
 
-  it('leaves Work Episode consent to the explicit Wizard environment setting', async () => {
-    const dir = mkdtempSync(join(tmpdir(), 'orgx-opencode-bridge-'));
-    const hookPath = join(dir, 'orgx-session-summary.mjs');
-    await writeFile(hookPath, 'export async function main() {}\n', 'utf8');
-    const main = vi.fn(async () => ({ ok: true }));
-    try {
-      await bridgeOpenCodeSessionSummary({
-        nativeEvent: 'chat.message',
-        payload: {
-          sessionID: 'session-consent',
-          prompt: 'Retain this bounded intent.',
-        },
-        directory: '/work/repo',
-        hookPath,
-        env: {
-          PATH: process.env.PATH,
-          ORGX_SESSION_WORK_EPISODE_CAPTURE: 'bounded',
-        },
-        importHook: async () => ({ main }),
-      });
+  it.each([
+    ['an ambient generic variable', { ORGX_SESSION_WORK_EPISODE_CAPTURE: 'bounded' }, 'metadata-only'],
+    ['the OpenCode-specific opt-in', { ORGX_OPENCODE_WORK_CAPTURE: 'bounded' }, 'bounded'],
+  ] as const)(
+    'pins the capture mode explicitly under %s (plan v3 §5.10)',
+    async (_label, extraEnv, expected) => {
+      const dir = mkdtempSync(join(tmpdir(), 'orgx-opencode-bridge-'));
+      const hookPath = join(dir, 'orgx-session-summary.mjs');
+      await writeFile(hookPath, 'export async function main() {}\n', 'utf8');
+      const main = vi.fn(async () => ({ ok: true }));
+      try {
+        await bridgeOpenCodeSessionSummary({
+          nativeEvent: 'chat.message',
+          payload: {
+            sessionID: 'session-consent',
+            prompt: 'Retain this bounded intent.',
+          },
+          directory: '/work/repo',
+          hookPath,
+          env: { PATH: process.env.PATH, ...extraEnv },
+          importHook: async () => ({ main }),
+        });
 
-      expect(main).toHaveBeenCalledTimes(1);
-      expect(main.mock.calls[0][0].argv).toEqual([
-        '--event=UserPromptSubmit',
-        '--source_client=opencode',
-      ]);
-      expect(main.mock.calls[0][0].env.ORGX_SESSION_WORK_EPISODE_CAPTURE).toBe(
-        'bounded'
-      );
-      expect(JSON.parse(main.mock.calls[0][0].stdinText).prompt).toBe(
-        'Retain this bounded intent.'
-      );
-    } finally {
-      rmSync(dir, { recursive: true, force: true });
+        expect(main).toHaveBeenCalledTimes(1);
+        const call = main.mock.calls[0][0] as unknown as {
+          argv: string[];
+          env: Record<string, string | undefined>;
+          stdinText: string;
+        };
+        expect(call.argv).toEqual([
+          '--event=UserPromptSubmit',
+          '--source_client=opencode',
+          `--work_episode_capture=${expected}`,
+        ]);
+        expect(call.env.ORGX_SESSION_WORK_EPISODE_CAPTURE).toBeUndefined();
+        expect(JSON.parse(call.stdinText).prompt).toBe(
+          expected === 'bounded' ? 'Retain this bounded intent.' : undefined
+        );
+      } finally {
+        rmSync(dir, { recursive: true, force: true });
+      }
     }
-  });
+  );
 
   it('keeps an offline run queued without starting fallback delivery', async () => {
     const dir = mkdtempSync(join(tmpdir(), 'orgx-opencode-bridge-'));
diff --git a/src/sessionSummaryBridge.ts b/src/sessionSummaryBridge.ts
index fc44714..361f5ce 100644
--- a/src/sessionSummaryBridge.ts
+++ b/src/sessionSummaryBridge.ts
@@ -46,10 +46,26 @@ function duration(...values: unknown[]): number | undefined {
   return value === undefined ? undefined : Math.max(0, Math.round(value));
 }
 
-function workEpisodeCaptureEnabled(value: string | undefined): boolean {
-  return ['bounded', 'on', 'true', '1'].includes(
-    String(value ?? '').trim().toLowerCase()
-  );
+/**
+ * Capture mode is pinned explicitly on every call (plan v3 §5.10), matching the
+ * Wizard's installed Claude/Codex hooks: an ambient
+ * ORGX_SESSION_WORK_EPISODE_CAPTURE — set for another client, or inherited
+ * from a parent process — must not widen what OpenCode captures. Bounded
+ * capture (redacted request excerpts) is an OpenCode-specific opt-in.
+ */
+export function resolveOpenCodeWorkCapture(
+  env: Env = process.env
+): 'bounded' | 'metadata-only' {
+  return String(env.ORGX_OPENCODE_WORK_CAPTURE ?? '').trim().toLowerCase() ===
+    'bounded'
+    ? 'bounded'
+    : 'metadata-only';
+}
+
+function withoutAmbientCaptureMode(env: Env): Env {
+  const next = { ...env };
+  delete next.ORGX_SESSION_WORK_EPISODE_CAPTURE;
+  return next;
 }
 
 function boundedPrompt(value: unknown): string | undefined {
@@ -145,7 +161,7 @@ export function sanitizeOpenCodePayload(
     tool_use_id: string(root.callID, properties.callID),
     duration_ms: duration(root.duration_ms, root.duration, properties.duration),
     permission_mode: string(root.permission, properties.permission),
-    prompt: workEpisodeCaptureEnabled(env.ORGX_SESSION_WORK_EPISODE_CAPTURE)
+    prompt: resolveOpenCodeWorkCapture(env) === 'bounded'
       ? boundedPrompt(string(root.prompt, root.message, properties.prompt))
       : undefined,
     root_session_id: string(root.rootSessionID, root.root_session_id),
@@ -244,9 +260,10 @@ export async function bridgeOpenCodeSessionSummary({
     argv: [
       `--event=${canonicalEvent}`,
       '--source_client=opencode',
+      `--work_episode_capture=${resolveOpenCodeWorkCapture(env)}`,
       ...(queueDir ? [`--queue_dir=${queueDir}`] : []),
     ],
-    env,
+    env: withoutAmbientCaptureMode(env),
     stdinText: JSON.stringify(sanitizeOpenCodePayload(payload, directory, env)),
   });
   const fallbackDeliveryTriggered =