diff --git a/.agents/skills/impeccable/scripts/generate-image.mjs b/.agents/skills/impeccable/scripts/generate-image.mjs
index 1bf97ecaf..c6ba5d393 100644
--- a/.agents/skills/impeccable/scripts/generate-image.mjs
+++ b/.agents/skills/impeccable/scripts/generate-image.mjs
@@ -431,12 +431,15 @@ fs.writeFileSync(out, Buffer.from(b64, 'base64'));
 // The prompt travels with the asset: embedded in the file itself (EXIF-class
 // metadata via embed-prompt.mjs) so intent survives copies across harnesses,
 // plus a sidecar for anything that indexes rather than opens the image.
+let embedded = false;
 try {
   const { spawnSync } = await import('node:child_process');
-  spawnSync(process.execPath, [new URL('./embed-prompt.mjs', import.meta.url).pathname, out, '--prompt', prompt], { stdio: 'ignore' });
+  const result = spawnSync(process.execPath, [fileURLToPath(new URL('./embed-prompt.mjs', import.meta.url)), out, '--prompt', prompt], { stdio: 'ignore' });
+  embedded = !result.error && result.status === 0;
+  if (!embedded) console.warn('generate-image: failed to embed prompt in the image');
   fs.writeFileSync(`${out}.json`, JSON.stringify({ prompt, createdAt: new Date().toISOString(), tool: 'generate-image.mjs', model: 'gpt-image-2', ...(refs.length ? { refs } : {}) }, null, 2));
 } catch { /* embedding is best-effort */ }
-console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); prompt embedded + sidecar at ${out}.json`);
+console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); ${embedded ? 'prompt embedded + sidecar' : 'sidecar'} at ${out}.json`);
 if (plateCtx && plateCtx.chroma) {
   const frac = await keyChroma(out, plateCtx.chroma);
   console.log(`PLATE-CHROMA keyed ${(frac * 100).toFixed(0)}% of pixels to alpha (${plateCtx.chroma}); place with a plain <img> over the page's own ground, no background on the plate. If the keyed fraction is under 20% the generator ignored the key: regenerate with --no-chroma and use mix-blend-mode: multiply instead.`);
diff --git a/.claude/skills/impeccable/scripts/generate-image.mjs b/.claude/skills/impeccable/scripts/generate-image.mjs
index 1bf97ecaf..c6ba5d393 100644
--- a/.claude/skills/impeccable/scripts/generate-image.mjs
+++ b/.claude/skills/impeccable/scripts/generate-image.mjs
@@ -431,12 +431,15 @@ fs.writeFileSync(out, Buffer.from(b64, 'base64'));
 // The prompt travels with the asset: embedded in the file itself (EXIF-class
 // metadata via embed-prompt.mjs) so intent survives copies across harnesses,
 // plus a sidecar for anything that indexes rather than opens the image.
+let embedded = false;
 try {
   const { spawnSync } = await import('node:child_process');
-  spawnSync(process.execPath, [new URL('./embed-prompt.mjs', import.meta.url).pathname, out, '--prompt', prompt], { stdio: 'ignore' });
+  const result = spawnSync(process.execPath, [fileURLToPath(new URL('./embed-prompt.mjs', import.meta.url)), out, '--prompt', prompt], { stdio: 'ignore' });
+  embedded = !result.error && result.status === 0;
+  if (!embedded) console.warn('generate-image: failed to embed prompt in the image');
   fs.writeFileSync(`${out}.json`, JSON.stringify({ prompt, createdAt: new Date().toISOString(), tool: 'generate-image.mjs', model: 'gpt-image-2', ...(refs.length ? { refs } : {}) }, null, 2));
 } catch { /* embedding is best-effort */ }
-console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); prompt embedded + sidecar at ${out}.json`);
+console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); ${embedded ? 'prompt embedded + sidecar' : 'sidecar'} at ${out}.json`);
 if (plateCtx && plateCtx.chroma) {
   const frac = await keyChroma(out, plateCtx.chroma);
   console.log(`PLATE-CHROMA keyed ${(frac * 100).toFixed(0)}% of pixels to alpha (${plateCtx.chroma}); place with a plain <img> over the page's own ground, no background on the plate. If the keyed fraction is under 20% the generator ignored the key: regenerate with --no-chroma and use mix-blend-mode: multiply instead.`);
diff --git a/.cursor/skills/impeccable/scripts/generate-image.mjs b/.cursor/skills/impeccable/scripts/generate-image.mjs
index 1bf97ecaf..c6ba5d393 100644
--- a/.cursor/skills/impeccable/scripts/generate-image.mjs
+++ b/.cursor/skills/impeccable/scripts/generate-image.mjs
@@ -431,12 +431,15 @@ fs.writeFileSync(out, Buffer.from(b64, 'base64'));
 // The prompt travels with the asset: embedded in the file itself (EXIF-class
 // metadata via embed-prompt.mjs) so intent survives copies across harnesses,
 // plus a sidecar for anything that indexes rather than opens the image.
+let embedded = false;
 try {
   const { spawnSync } = await import('node:child_process');
-  spawnSync(process.execPath, [new URL('./embed-prompt.mjs', import.meta.url).pathname, out, '--prompt', prompt], { stdio: 'ignore' });
+  const result = spawnSync(process.execPath, [fileURLToPath(new URL('./embed-prompt.mjs', import.meta.url)), out, '--prompt', prompt], { stdio: 'ignore' });
+  embedded = !result.error && result.status === 0;
+  if (!embedded) console.warn('generate-image: failed to embed prompt in the image');
   fs.writeFileSync(`${out}.json`, JSON.stringify({ prompt, createdAt: new Date().toISOString(), tool: 'generate-image.mjs', model: 'gpt-image-2', ...(refs.length ? { refs } : {}) }, null, 2));
 } catch { /* embedding is best-effort */ }
-console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); prompt embedded + sidecar at ${out}.json`);
+console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); ${embedded ? 'prompt embedded + sidecar' : 'sidecar'} at ${out}.json`);
 if (plateCtx && plateCtx.chroma) {
   const frac = await keyChroma(out, plateCtx.chroma);
   console.log(`PLATE-CHROMA keyed ${(frac * 100).toFixed(0)}% of pixels to alpha (${plateCtx.chroma}); place with a plain <img> over the page's own ground, no background on the plate. If the keyed fraction is under 20% the generator ignored the key: regenerate with --no-chroma and use mix-blend-mode: multiply instead.`);
diff --git a/.gemini/skills/impeccable/scripts/generate-image.mjs b/.gemini/skills/impeccable/scripts/generate-image.mjs
index 1bf97ecaf..c6ba5d393 100644
--- a/.gemini/skills/impeccable/scripts/generate-image.mjs
+++ b/.gemini/skills/impeccable/scripts/generate-image.mjs
@@ -431,12 +431,15 @@ fs.writeFileSync(out, Buffer.from(b64, 'base64'));
 // The prompt travels with the asset: embedded in the file itself (EXIF-class
 // metadata via embed-prompt.mjs) so intent survives copies across harnesses,
 // plus a sidecar for anything that indexes rather than opens the image.
+let embedded = false;
 try {
   const { spawnSync } = await import('node:child_process');
-  spawnSync(process.execPath, [new URL('./embed-prompt.mjs', import.meta.url).pathname, out, '--prompt', prompt], { stdio: 'ignore' });
+  const result = spawnSync(process.execPath, [fileURLToPath(new URL('./embed-prompt.mjs', import.meta.url)), out, '--prompt', prompt], { stdio: 'ignore' });
+  embedded = !result.error && result.status === 0;
+  if (!embedded) console.warn('generate-image: failed to embed prompt in the image');
   fs.writeFileSync(`${out}.json`, JSON.stringify({ prompt, createdAt: new Date().toISOString(), tool: 'generate-image.mjs', model: 'gpt-image-2', ...(refs.length ? { refs } : {}) }, null, 2));
 } catch { /* embedding is best-effort */ }
-console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); prompt embedded + sidecar at ${out}.json`);
+console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); ${embedded ? 'prompt embedded + sidecar' : 'sidecar'} at ${out}.json`);
 if (plateCtx && plateCtx.chroma) {
   const frac = await keyChroma(out, plateCtx.chroma);
   console.log(`PLATE-CHROMA keyed ${(frac * 100).toFixed(0)}% of pixels to alpha (${plateCtx.chroma}); place with a plain <img> over the page's own ground, no background on the plate. If the keyed fraction is under 20% the generator ignored the key: regenerate with --no-chroma and use mix-blend-mode: multiply instead.`);
diff --git a/.github/skills/impeccable/scripts/generate-image.mjs b/.github/skills/impeccable/scripts/generate-image.mjs
index 1bf97ecaf..c6ba5d393 100644
--- a/.github/skills/impeccable/scripts/generate-image.mjs
+++ b/.github/skills/impeccable/scripts/generate-image.mjs
@@ -431,12 +431,15 @@ fs.writeFileSync(out, Buffer.from(b64, 'base64'));
 // The prompt travels with the asset: embedded in the file itself (EXIF-class
 // metadata via embed-prompt.mjs) so intent survives copies across harnesses,
 // plus a sidecar for anything that indexes rather than opens the image.
+let embedded = false;
 try {
   const { spawnSync } = await import('node:child_process');
-  spawnSync(process.execPath, [new URL('./embed-prompt.mjs', import.meta.url).pathname, out, '--prompt', prompt], { stdio: 'ignore' });
+  const result = spawnSync(process.execPath, [fileURLToPath(new URL('./embed-prompt.mjs', import.meta.url)), out, '--prompt', prompt], { stdio: 'ignore' });
+  embedded = !result.error && result.status === 0;
+  if (!embedded) console.warn('generate-image: failed to embed prompt in the image');
   fs.writeFileSync(`${out}.json`, JSON.stringify({ prompt, createdAt: new Date().toISOString(), tool: 'generate-image.mjs', model: 'gpt-image-2', ...(refs.length ? { refs } : {}) }, null, 2));
 } catch { /* embedding is best-effort */ }
-console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); prompt embedded + sidecar at ${out}.json`);
+console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); ${embedded ? 'prompt embedded + sidecar' : 'sidecar'} at ${out}.json`);
 if (plateCtx && plateCtx.chroma) {
   const frac = await keyChroma(out, plateCtx.chroma);
   console.log(`PLATE-CHROMA keyed ${(frac * 100).toFixed(0)}% of pixels to alpha (${plateCtx.chroma}); place with a plain <img> over the page's own ground, no background on the plate. If the keyed fraction is under 20% the generator ignored the key: regenerate with --no-chroma and use mix-blend-mode: multiply instead.`);
diff --git a/.grok/skills/impeccable/scripts/generate-image.mjs b/.grok/skills/impeccable/scripts/generate-image.mjs
index 1bf97ecaf..c6ba5d393 100644
--- a/.grok/skills/impeccable/scripts/generate-image.mjs
+++ b/.grok/skills/impeccable/scripts/generate-image.mjs
@@ -431,12 +431,15 @@ fs.writeFileSync(out, Buffer.from(b64, 'base64'));
 // The prompt travels with the asset: embedded in the file itself (EXIF-class
 // metadata via embed-prompt.mjs) so intent survives copies across harnesses,
 // plus a sidecar for anything that indexes rather than opens the image.
+let embedded = false;
 try {
   const { spawnSync } = await import('node:child_process');
-  spawnSync(process.execPath, [new URL('./embed-prompt.mjs', import.meta.url).pathname, out, '--prompt', prompt], { stdio: 'ignore' });
+  const result = spawnSync(process.execPath, [fileURLToPath(new URL('./embed-prompt.mjs', import.meta.url)), out, '--prompt', prompt], { stdio: 'ignore' });
+  embedded = !result.error && result.status === 0;
+  if (!embedded) console.warn('generate-image: failed to embed prompt in the image');
   fs.writeFileSync(`${out}.json`, JSON.stringify({ prompt, createdAt: new Date().toISOString(), tool: 'generate-image.mjs', model: 'gpt-image-2', ...(refs.length ? { refs } : {}) }, null, 2));
 } catch { /* embedding is best-effort */ }
-console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); prompt embedded + sidecar at ${out}.json`);
+console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); ${embedded ? 'prompt embedded + sidecar' : 'sidecar'} at ${out}.json`);
 if (plateCtx && plateCtx.chroma) {
   const frac = await keyChroma(out, plateCtx.chroma);
   console.log(`PLATE-CHROMA keyed ${(frac * 100).toFixed(0)}% of pixels to alpha (${plateCtx.chroma}); place with a plain <img> over the page's own ground, no background on the plate. If the keyed fraction is under 20% the generator ignored the key: regenerate with --no-chroma and use mix-blend-mode: multiply instead.`);
diff --git a/.hermes/skills/impeccable/scripts/generate-image.mjs b/.hermes/skills/impeccable/scripts/generate-image.mjs
index 1bf97ecaf..c6ba5d393 100644
--- a/.hermes/skills/impeccable/scripts/generate-image.mjs
+++ b/.hermes/skills/impeccable/scripts/generate-image.mjs
@@ -431,12 +431,15 @@ fs.writeFileSync(out, Buffer.from(b64, 'base64'));
 // The prompt travels with the asset: embedded in the file itself (EXIF-class
 // metadata via embed-prompt.mjs) so intent survives copies across harnesses,
 // plus a sidecar for anything that indexes rather than opens the image.
+let embedded = false;
 try {
   const { spawnSync } = await import('node:child_process');
-  spawnSync(process.execPath, [new URL('./embed-prompt.mjs', import.meta.url).pathname, out, '--prompt', prompt], { stdio: 'ignore' });
+  const result = spawnSync(process.execPath, [fileURLToPath(new URL('./embed-prompt.mjs', import.meta.url)), out, '--prompt', prompt], { stdio: 'ignore' });
+  embedded = !result.error && result.status === 0;
+  if (!embedded) console.warn('generate-image: failed to embed prompt in the image');
   fs.writeFileSync(`${out}.json`, JSON.stringify({ prompt, createdAt: new Date().toISOString(), tool: 'generate-image.mjs', model: 'gpt-image-2', ...(refs.length ? { refs } : {}) }, null, 2));
 } catch { /* embedding is best-effort */ }
-console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); prompt embedded + sidecar at ${out}.json`);
+console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); ${embedded ? 'prompt embedded + sidecar' : 'sidecar'} at ${out}.json`);
 if (plateCtx && plateCtx.chroma) {
   const frac = await keyChroma(out, plateCtx.chroma);
   console.log(`PLATE-CHROMA keyed ${(frac * 100).toFixed(0)}% of pixels to alpha (${plateCtx.chroma}); place with a plain <img> over the page's own ground, no background on the plate. If the keyed fraction is under 20% the generator ignored the key: regenerate with --no-chroma and use mix-blend-mode: multiply instead.`);
diff --git a/.kiro/skills/impeccable/scripts/generate-image.mjs b/.kiro/skills/impeccable/scripts/generate-image.mjs
index 1bf97ecaf..c6ba5d393 100644
--- a/.kiro/skills/impeccable/scripts/generate-image.mjs
+++ b/.kiro/skills/impeccable/scripts/generate-image.mjs
@@ -431,12 +431,15 @@ fs.writeFileSync(out, Buffer.from(b64, 'base64'));
 // The prompt travels with the asset: embedded in the file itself (EXIF-class
 // metadata via embed-prompt.mjs) so intent survives copies across harnesses,
 // plus a sidecar for anything that indexes rather than opens the image.
+let embedded = false;
 try {
   const { spawnSync } = await import('node:child_process');
-  spawnSync(process.execPath, [new URL('./embed-prompt.mjs', import.meta.url).pathname, out, '--prompt', prompt], { stdio: 'ignore' });
+  const result = spawnSync(process.execPath, [fileURLToPath(new URL('./embed-prompt.mjs', import.meta.url)), out, '--prompt', prompt], { stdio: 'ignore' });
+  embedded = !result.error && result.status === 0;
+  if (!embedded) console.warn('generate-image: failed to embed prompt in the image');
   fs.writeFileSync(`${out}.json`, JSON.stringify({ prompt, createdAt: new Date().toISOString(), tool: 'generate-image.mjs', model: 'gpt-image-2', ...(refs.length ? { refs } : {}) }, null, 2));
 } catch { /* embedding is best-effort */ }
-console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); prompt embedded + sidecar at ${out}.json`);
+console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); ${embedded ? 'prompt embedded + sidecar' : 'sidecar'} at ${out}.json`);
 if (plateCtx && plateCtx.chroma) {
   const frac = await keyChroma(out, plateCtx.chroma);
   console.log(`PLATE-CHROMA keyed ${(frac * 100).toFixed(0)}% of pixels to alpha (${plateCtx.chroma}); place with a plain <img> over the page's own ground, no background on the plate. If the keyed fraction is under 20% the generator ignored the key: regenerate with --no-chroma and use mix-blend-mode: multiply instead.`);
diff --git a/.opencode/skills/impeccable/scripts/generate-image.mjs b/.opencode/skills/impeccable/scripts/generate-image.mjs
index 1bf97ecaf..c6ba5d393 100644
--- a/.opencode/skills/impeccable/scripts/generate-image.mjs
+++ b/.opencode/skills/impeccable/scripts/generate-image.mjs
@@ -431,12 +431,15 @@ fs.writeFileSync(out, Buffer.from(b64, 'base64'));
 // The prompt travels with the asset: embedded in the file itself (EXIF-class
 // metadata via embed-prompt.mjs) so intent survives copies across harnesses,
 // plus a sidecar for anything that indexes rather than opens the image.
+let embedded = false;
 try {
   const { spawnSync } = await import('node:child_process');
-  spawnSync(process.execPath, [new URL('./embed-prompt.mjs', import.meta.url).pathname, out, '--prompt', prompt], { stdio: 'ignore' });
+  const result = spawnSync(process.execPath, [fileURLToPath(new URL('./embed-prompt.mjs', import.meta.url)), out, '--prompt', prompt], { stdio: 'ignore' });
+  embedded = !result.error && result.status === 0;
+  if (!embedded) console.warn('generate-image: failed to embed prompt in the image');
   fs.writeFileSync(`${out}.json`, JSON.stringify({ prompt, createdAt: new Date().toISOString(), tool: 'generate-image.mjs', model: 'gpt-image-2', ...(refs.length ? { refs } : {}) }, null, 2));
 } catch { /* embedding is best-effort */ }
-console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); prompt embedded + sidecar at ${out}.json`);
+console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); ${embedded ? 'prompt embedded + sidecar' : 'sidecar'} at ${out}.json`);
 if (plateCtx && plateCtx.chroma) {
   const frac = await keyChroma(out, plateCtx.chroma);
   console.log(`PLATE-CHROMA keyed ${(frac * 100).toFixed(0)}% of pixels to alpha (${plateCtx.chroma}); place with a plain <img> over the page's own ground, no background on the plate. If the keyed fraction is under 20% the generator ignored the key: regenerate with --no-chroma and use mix-blend-mode: multiply instead.`);
diff --git a/.pi/skills/impeccable/scripts/generate-image.mjs b/.pi/skills/impeccable/scripts/generate-image.mjs
index 1bf97ecaf..c6ba5d393 100644
--- a/.pi/skills/impeccable/scripts/generate-image.mjs
+++ b/.pi/skills/impeccable/scripts/generate-image.mjs
@@ -431,12 +431,15 @@ fs.writeFileSync(out, Buffer.from(b64, 'base64'));
 // The prompt travels with the asset: embedded in the file itself (EXIF-class
 // metadata via embed-prompt.mjs) so intent survives copies across harnesses,
 // plus a sidecar for anything that indexes rather than opens the image.
+let embedded = false;
 try {
   const { spawnSync } = await import('node:child_process');
-  spawnSync(process.execPath, [new URL('./embed-prompt.mjs', import.meta.url).pathname, out, '--prompt', prompt], { stdio: 'ignore' });
+  const result = spawnSync(process.execPath, [fileURLToPath(new URL('./embed-prompt.mjs', import.meta.url)), out, '--prompt', prompt], { stdio: 'ignore' });
+  embedded = !result.error && result.status === 0;
+  if (!embedded) console.warn('generate-image: failed to embed prompt in the image');
   fs.writeFileSync(`${out}.json`, JSON.stringify({ prompt, createdAt: new Date().toISOString(), tool: 'generate-image.mjs', model: 'gpt-image-2', ...(refs.length ? { refs } : {}) }, null, 2));
 } catch { /* embedding is best-effort */ }
-console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); prompt embedded + sidecar at ${out}.json`);
+console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); ${embedded ? 'prompt embedded + sidecar' : 'sidecar'} at ${out}.json`);
 if (plateCtx && plateCtx.chroma) {
   const frac = await keyChroma(out, plateCtx.chroma);
   console.log(`PLATE-CHROMA keyed ${(frac * 100).toFixed(0)}% of pixels to alpha (${plateCtx.chroma}); place with a plain <img> over the page's own ground, no background on the plate. If the keyed fraction is under 20% the generator ignored the key: regenerate with --no-chroma and use mix-blend-mode: multiply instead.`);
diff --git a/.qoder/skills/impeccable/scripts/generate-image.mjs b/.qoder/skills/impeccable/scripts/generate-image.mjs
index 1bf97ecaf..c6ba5d393 100644
--- a/.qoder/skills/impeccable/scripts/generate-image.mjs
+++ b/.qoder/skills/impeccable/scripts/generate-image.mjs
@@ -431,12 +431,15 @@ fs.writeFileSync(out, Buffer.from(b64, 'base64'));
 // The prompt travels with the asset: embedded in the file itself (EXIF-class
 // metadata via embed-prompt.mjs) so intent survives copies across harnesses,
 // plus a sidecar for anything that indexes rather than opens the image.
+let embedded = false;
 try {
   const { spawnSync } = await import('node:child_process');
-  spawnSync(process.execPath, [new URL('./embed-prompt.mjs', import.meta.url).pathname, out, '--prompt', prompt], { stdio: 'ignore' });
+  const result = spawnSync(process.execPath, [fileURLToPath(new URL('./embed-prompt.mjs', import.meta.url)), out, '--prompt', prompt], { stdio: 'ignore' });
+  embedded = !result.error && result.status === 0;
+  if (!embedded) console.warn('generate-image: failed to embed prompt in the image');
   fs.writeFileSync(`${out}.json`, JSON.stringify({ prompt, createdAt: new Date().toISOString(), tool: 'generate-image.mjs', model: 'gpt-image-2', ...(refs.length ? { refs } : {}) }, null, 2));
 } catch { /* embedding is best-effort */ }
-console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); prompt embedded + sidecar at ${out}.json`);
+console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); ${embedded ? 'prompt embedded + sidecar' : 'sidecar'} at ${out}.json`);
 if (plateCtx && plateCtx.chroma) {
   const frac = await keyChroma(out, plateCtx.chroma);
   console.log(`PLATE-CHROMA keyed ${(frac * 100).toFixed(0)}% of pixels to alpha (${plateCtx.chroma}); place with a plain <img> over the page's own ground, no background on the plate. If the keyed fraction is under 20% the generator ignored the key: regenerate with --no-chroma and use mix-blend-mode: multiply instead.`);
diff --git a/.rovodev/skills/impeccable/scripts/generate-image.mjs b/.rovodev/skills/impeccable/scripts/generate-image.mjs
index 1bf97ecaf..c6ba5d393 100644
--- a/.rovodev/skills/impeccable/scripts/generate-image.mjs
+++ b/.rovodev/skills/impeccable/scripts/generate-image.mjs
@@ -431,12 +431,15 @@ fs.writeFileSync(out, Buffer.from(b64, 'base64'));
 // The prompt travels with the asset: embedded in the file itself (EXIF-class
 // metadata via embed-prompt.mjs) so intent survives copies across harnesses,
 // plus a sidecar for anything that indexes rather than opens the image.
+let embedded = false;
 try {
   const { spawnSync } = await import('node:child_process');
-  spawnSync(process.execPath, [new URL('./embed-prompt.mjs', import.meta.url).pathname, out, '--prompt', prompt], { stdio: 'ignore' });
+  const result = spawnSync(process.execPath, [fileURLToPath(new URL('./embed-prompt.mjs', import.meta.url)), out, '--prompt', prompt], { stdio: 'ignore' });
+  embedded = !result.error && result.status === 0;
+  if (!embedded) console.warn('generate-image: failed to embed prompt in the image');
   fs.writeFileSync(`${out}.json`, JSON.stringify({ prompt, createdAt: new Date().toISOString(), tool: 'generate-image.mjs', model: 'gpt-image-2', ...(refs.length ? { refs } : {}) }, null, 2));
 } catch { /* embedding is best-effort */ }
-console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); prompt embedded + sidecar at ${out}.json`);
+console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); ${embedded ? 'prompt embedded + sidecar' : 'sidecar'} at ${out}.json`);
 if (plateCtx && plateCtx.chroma) {
   const frac = await keyChroma(out, plateCtx.chroma);
   console.log(`PLATE-CHROMA keyed ${(frac * 100).toFixed(0)}% of pixels to alpha (${plateCtx.chroma}); place with a plain <img> over the page's own ground, no background on the plate. If the keyed fraction is under 20% the generator ignored the key: regenerate with --no-chroma and use mix-blend-mode: multiply instead.`);
diff --git a/.trae-cn/skills/impeccable/scripts/generate-image.mjs b/.trae-cn/skills/impeccable/scripts/generate-image.mjs
index 1bf97ecaf..c6ba5d393 100644
--- a/.trae-cn/skills/impeccable/scripts/generate-image.mjs
+++ b/.trae-cn/skills/impeccable/scripts/generate-image.mjs
@@ -431,12 +431,15 @@ fs.writeFileSync(out, Buffer.from(b64, 'base64'));
 // The prompt travels with the asset: embedded in the file itself (EXIF-class
 // metadata via embed-prompt.mjs) so intent survives copies across harnesses,
 // plus a sidecar for anything that indexes rather than opens the image.
+let embedded = false;
 try {
   const { spawnSync } = await import('node:child_process');
-  spawnSync(process.execPath, [new URL('./embed-prompt.mjs', import.meta.url).pathname, out, '--prompt', prompt], { stdio: 'ignore' });
+  const result = spawnSync(process.execPath, [fileURLToPath(new URL('./embed-prompt.mjs', import.meta.url)), out, '--prompt', prompt], { stdio: 'ignore' });
+  embedded = !result.error && result.status === 0;
+  if (!embedded) console.warn('generate-image: failed to embed prompt in the image');
   fs.writeFileSync(`${out}.json`, JSON.stringify({ prompt, createdAt: new Date().toISOString(), tool: 'generate-image.mjs', model: 'gpt-image-2', ...(refs.length ? { refs } : {}) }, null, 2));
 } catch { /* embedding is best-effort */ }
-console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); prompt embedded + sidecar at ${out}.json`);
+console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); ${embedded ? 'prompt embedded + sidecar' : 'sidecar'} at ${out}.json`);
 if (plateCtx && plateCtx.chroma) {
   const frac = await keyChroma(out, plateCtx.chroma);
   console.log(`PLATE-CHROMA keyed ${(frac * 100).toFixed(0)}% of pixels to alpha (${plateCtx.chroma}); place with a plain <img> over the page's own ground, no background on the plate. If the keyed fraction is under 20% the generator ignored the key: regenerate with --no-chroma and use mix-blend-mode: multiply instead.`);
diff --git a/.trae/skills/impeccable/scripts/generate-image.mjs b/.trae/skills/impeccable/scripts/generate-image.mjs
index 1bf97ecaf..c6ba5d393 100644
--- a/.trae/skills/impeccable/scripts/generate-image.mjs
+++ b/.trae/skills/impeccable/scripts/generate-image.mjs
@@ -431,12 +431,15 @@ fs.writeFileSync(out, Buffer.from(b64, 'base64'));
 // The prompt travels with the asset: embedded in the file itself (EXIF-class
 // metadata via embed-prompt.mjs) so intent survives copies across harnesses,
 // plus a sidecar for anything that indexes rather than opens the image.
+let embedded = false;
 try {
   const { spawnSync } = await import('node:child_process');
-  spawnSync(process.execPath, [new URL('./embed-prompt.mjs', import.meta.url).pathname, out, '--prompt', prompt], { stdio: 'ignore' });
+  const result = spawnSync(process.execPath, [fileURLToPath(new URL('./embed-prompt.mjs', import.meta.url)), out, '--prompt', prompt], { stdio: 'ignore' });
+  embedded = !result.error && result.status === 0;
+  if (!embedded) console.warn('generate-image: failed to embed prompt in the image');
   fs.writeFileSync(`${out}.json`, JSON.stringify({ prompt, createdAt: new Date().toISOString(), tool: 'generate-image.mjs', model: 'gpt-image-2', ...(refs.length ? { refs } : {}) }, null, 2));
 } catch { /* embedding is best-effort */ }
-console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); prompt embedded + sidecar at ${out}.json`);
+console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); ${embedded ? 'prompt embedded + sidecar' : 'sidecar'} at ${out}.json`);
 if (plateCtx && plateCtx.chroma) {
   const frac = await keyChroma(out, plateCtx.chroma);
   console.log(`PLATE-CHROMA keyed ${(frac * 100).toFixed(0)}% of pixels to alpha (${plateCtx.chroma}); place with a plain <img> over the page's own ground, no background on the plate. If the keyed fraction is under 20% the generator ignored the key: regenerate with --no-chroma and use mix-blend-mode: multiply instead.`);
diff --git a/.vibe/skills/impeccable/scripts/generate-image.mjs b/.vibe/skills/impeccable/scripts/generate-image.mjs
index 1bf97ecaf..c6ba5d393 100644
--- a/.vibe/skills/impeccable/scripts/generate-image.mjs
+++ b/.vibe/skills/impeccable/scripts/generate-image.mjs
@@ -431,12 +431,15 @@ fs.writeFileSync(out, Buffer.from(b64, 'base64'));
 // The prompt travels with the asset: embedded in the file itself (EXIF-class
 // metadata via embed-prompt.mjs) so intent survives copies across harnesses,
 // plus a sidecar for anything that indexes rather than opens the image.
+let embedded = false;
 try {
   const { spawnSync } = await import('node:child_process');
-  spawnSync(process.execPath, [new URL('./embed-prompt.mjs', import.meta.url).pathname, out, '--prompt', prompt], { stdio: 'ignore' });
+  const result = spawnSync(process.execPath, [fileURLToPath(new URL('./embed-prompt.mjs', import.meta.url)), out, '--prompt', prompt], { stdio: 'ignore' });
+  embedded = !result.error && result.status === 0;
+  if (!embedded) console.warn('generate-image: failed to embed prompt in the image');
   fs.writeFileSync(`${out}.json`, JSON.stringify({ prompt, createdAt: new Date().toISOString(), tool: 'generate-image.mjs', model: 'gpt-image-2', ...(refs.length ? { refs } : {}) }, null, 2));
 } catch { /* embedding is best-effort */ }
-console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); prompt embedded + sidecar at ${out}.json`);
+console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); ${embedded ? 'prompt embedded + sidecar' : 'sidecar'} at ${out}.json`);
 if (plateCtx && plateCtx.chroma) {
   const frac = await keyChroma(out, plateCtx.chroma);
   console.log(`PLATE-CHROMA keyed ${(frac * 100).toFixed(0)}% of pixels to alpha (${plateCtx.chroma}); place with a plain <img> over the page's own ground, no background on the plate. If the keyed fraction is under 20% the generator ignored the key: regenerate with --no-chroma and use mix-blend-mode: multiply instead.`);
diff --git a/plugin/skills/impeccable/scripts/generate-image.mjs b/plugin/skills/impeccable/scripts/generate-image.mjs
index 1bf97ecaf..c6ba5d393 100644
--- a/plugin/skills/impeccable/scripts/generate-image.mjs
+++ b/plugin/skills/impeccable/scripts/generate-image.mjs
@@ -431,12 +431,15 @@ fs.writeFileSync(out, Buffer.from(b64, 'base64'));
 // The prompt travels with the asset: embedded in the file itself (EXIF-class
 // metadata via embed-prompt.mjs) so intent survives copies across harnesses,
 // plus a sidecar for anything that indexes rather than opens the image.
+let embedded = false;
 try {
   const { spawnSync } = await import('node:child_process');
-  spawnSync(process.execPath, [new URL('./embed-prompt.mjs', import.meta.url).pathname, out, '--prompt', prompt], { stdio: 'ignore' });
+  const result = spawnSync(process.execPath, [fileURLToPath(new URL('./embed-prompt.mjs', import.meta.url)), out, '--prompt', prompt], { stdio: 'ignore' });
+  embedded = !result.error && result.status === 0;
+  if (!embedded) console.warn('generate-image: failed to embed prompt in the image');
   fs.writeFileSync(`${out}.json`, JSON.stringify({ prompt, createdAt: new Date().toISOString(), tool: 'generate-image.mjs', model: 'gpt-image-2', ...(refs.length ? { refs } : {}) }, null, 2));
 } catch { /* embedding is best-effort */ }
-console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); prompt embedded + sidecar at ${out}.json`);
+console.log(`IMAGE: ${out} (${size}, ${quality}, gpt-image-2, billed to your OpenAI key); ${embedded ? 'prompt embedded + sidecar' : 'sidecar'} at ${out}.json`);
 if (plateCtx && plateCtx.chroma) {
   const frac = await keyChroma(out, plateCtx.chroma);
   console.log(`PLATE-CHROMA keyed ${(frac * 100).toFixed(0)}% of pixels to alpha (${plateCtx.chroma}); place with a plain <img> over the page's own ground, no background on the plate. If the keyed fraction is under 20% the generator ignored the key: regenerate with --no-chroma and use mix-blend-mode: multiply instead.`);