blog-image

1# Blog Image - AI Image Generation for Blog Content
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3Bundled paths below use host Markdown substitution of `${CLAUDE_SKILL_DIR}`;
4it is not an exported shell variable. Resolve them before execution, quote
5paths, and refuse nonabsolute overrides. Pass `blog_reference_root` resolved
6from `${CLAUDE_SKILL_DIR}/../blog/references`, `blog_template_root` from
7`${CLAUDE_SKILL_DIR}/../blog/templates`, and needed sibling roots to agents.
8Read the main reference `orchestration-details.md` before loading project
9context; pass only its helper-fenced output to downstream agents.
10 
11## Cost and consent gate (mandatory, read first)
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13This skill spends the user's Google AI credit and writes image files.
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15- **What it spends:** one paid Gemini image call per generated or edited
16  image. `generate_hero.py` can try up to four model IDs in turn when the
17  first fails, so budget for that worst case. The stock-photo and Openverse
18  rungs are free but may need their own keys.
19- **Cost basis:** per-image prices at
20  https://ai.google.dev/gemini-api/docs/pricing. On 2026-10-12 that page listed
21  `gemini-nano-banana-2.1` at $0.0336 (1K), $0.0504 (2K), $0.113 (4K) and
22  `gemini-3.1-flash-image` at $0.067 (1K). Re-read it before quoting a number.
23- **What it writes:** `hero.<ext>` and `hero-credit.txt` in the draft folder
24  (direct API), `~/Documents/nanobanana_generated/` (optional MCP), and
25  `~/.claude/settings.json` (setup only).
26- **Consent:** before the FIRST paid call or file write in a session, tell
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