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miti99/codex/prompts/mt-add-image.md
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tiennm99 8699294561 feat(tooling): run blog from Claude Code, OpenCode & Codex on shared engine
Extract newsletter scripts to a neutral scripts/newsletter/ engine and add
side-by-side support for all three AI coding tools off one source of truth.

- Move 9 scripts + substack config from .claude/skills/**/scripts to
  scripts/newsletter/ (history preserved); fix PROJECT_ROOT depth and
  cross-require/config paths; repoint all SKILL.md invocations
- Add canonical AGENTS.md; reduce CLAUDE.md to an @AGENTS.md import
- Add opencode.json (permissions, no MCP); skills auto-discovered in place
- Add codex/prompts/*.md (6 prompts) + copy installers (install.sh/.ps1)
- Add docs/multi-tool-usage.md (setup, per-tool invocation, teardown) + README pointer
2026-06-02 14:07:22 +07:00

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---
description: Add an image to today's newsletter Bonus → Images with a detected label
argument-hint: <image-url>
---
# Add an image to the newsletter (image handler)
Given an image URL, resolve a human-readable **label** and insert `![label](image_url)` into today's newsletter **Bonus → Images**. Does not classify/route — that is `/prompts:mt-add-url`'s job.
Image URL: `$ARGUMENTS`
Shared scripts: `scripts/newsletter/` (run from repo root). Shared procedure: `.claude/skills/mt-add-url/references/newsletter-post-mechanics.md` — follow it for post find/create, Bonus insertion, language rules.
**Label priority:** figure caption → source post title → user-typed input.
## Workflow
### 1. Detect source
```bash
node scripts/newsletter/detect-image-source.js "<url>"
```
`{ original_url, clean_url, isSubstack, uuid?, innerUrl? }`.
When invoked directly (not via mt-add-url), first check accessibility/duplicate and skip accordingly:
```bash
node scripts/newsletter/add-url.js "<url>" # expect route:image; skip if duplicate/!accessible
```
### 2a. Substack image (`isSubstack: true` with `uuid`)
```bash
node scripts/newsletter/find-substack-post.js --uuid <uuid>
```
- `found: false` → retry deeper (slower, ~3 months back, 40-fetch cap; warn the user):
```bash
node scripts/newsletter/find-substack-post.js --uuid <uuid> --deep
```
On a miss the result reports `scanned`, `budget` (40), `cutoff` — mention how far back it looked.
- Still `found: false` → go to step 3 (ask) and/or step 4 (add publication).
**When `found: true` — pick the label:**
ByteByteGo attaches no captions and image order can't be auto-mapped, so the script returns `candidates` (the issue's topic titles).
1. If `caption` is non-empty → propose it as default.
2. Otherwise present `candidates` to the user: "Image is from **[postTitle]** (`postUrl`). Which title matches it?" Offer the candidates (numbered list if many). Always include a "Type my own" escape.
3. Label = user's pick (or typed). Localize to Vietnamese where natural; keep proper nouns.
### 2b. Non-Substack image (`isSubstack: false`)
Best-effort only: if you know the containing page, fetch it and read the OpenGraph title / nearby caption. Usually none → go to step 3.
### 3. Ask for a label (fallback)
If no label detected: "Couldn't detect a name for this image (`<clean_url>`). What label should I use?" (free-text).
### 4. Add-publication offer (Substack miss only)
If the user names the publication, offer to append that host to `scripts/newsletter/config/substack-publications.json`, then retry step 2a.
### 5. Insert into Bonus → Images
Follow the shared procedure to find/create today's post, then add under **Images**:
```markdown
**Images:**
![label](clean_image_url)
```
Create `### Bonus` / `**Images:**` if missing.
### 6. Report
```
✅ Image added to Newsletter #[number] (Bonus → Images)
📄 content/post/YYYY/MM/DD/index.md
🏷️ label: "[label]" (source: candidate-pick | caption | user-input; post: [postTitle])
🖼️ [clean_image_url]
```
## Checklist
- [ ] Source detected (substack + uuid, or non-substack)
- [ ] Label confirmed (caption, else user pick from candidates, else typed)
- [ ] Entry under Bonus → **Images** (section/subsection created if missing)
- [ ] Label localized to Vietnamese where natural (keep proper nouns)