fix(models): 圖片入門階對齊 Nano Banana 2 Lite + 統一兩個登錄表#98
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入門(便宜)階由舊世代 gemini-2.5-flash-image 對齊為 gemini-3.1-flash-lite-image
(Nano Banana 2 Lite),與 Gemini 官方三階(Lite / 2 / Pro)一致。
- core/infocards/models.py(圖片模型單一目錄):
- 入門階 id → gemini-3.1-flash-lite-image,內部 key legacy→lite
- 三階 label 對齊官方命名 Nano Banana 2 Lite / Nano Banana 2 / Nano Banana Pro
- MODEL_PRICING 補 lite 定價(0.002 估算,待官方校正);保留舊 2.5-flash-image
定價(diagram_image_gen / song_images 仍直接用,避免計帳記 $0)
- core/models.py(角色登錄表):image.fast / image.pro 的 id 改為直接引用 infocards
目錄的中等/貴兩階(單一來源,不再各寫一份 literal),兩個登錄表不再可能漂移
- 測試:新增漂移守衛(image 角色 == 目錄兩階)+ 入門階對齊/定價保留斷言
注:gemini-3.1-flash-lite-image 請於 live API 實測確認可用(沿用「先實測再上」紀律)。
frontend 走後端 image_model_options() 取選項,不受內部 key 改名影響。
Co-Authored-By: Claude Opus 4.8 <[email protected]>
Claude-Session: https://claude.ai/code/session_017YfSHitPvSuuzVdVkhspWR
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反映 2026-07 兩項工作(PR #97 全庫審查、PR #98 圖片入門階對齊),並把後續接續工作 記錄進既有規劃文件: - README.md(中英雙語):圖片模型改為三階層 Nano Banana 2 Lite / 2 / Pro (gemini-3.1-flash-lite-image / -flash-image / gemini-3-pro-image) - ROADMAP.md:更新 v4.5 圖片三階層(PR #98);新增「程式碼健檢與後續改善」段 (體質結論 + 兩條主軸,指向 CODE_REVIEW_2026-07.md 與 TODO) - TODO.md:新增「程式碼審查後續改善」勾選清單(Sprint 1~4+,Tier 0 產品正確性 → T1 穩定性 → T2 安全 → T3 架構),routine 可依序認領;圖片對齊標為已完成 - docs/CHANGELOG.md:新增 2026-07 條目(REVIEW #97 / IMG-LITE #98) - HANDOFF.md:更新圖片模型 id 清單為新入門階 + 單一目錄說明 所有變更皆標註 gemini-3.1-flash-lite-image 待 live 實測。 Co-Authored-By: Claude Opus 4.8 <[email protected]> Claude-Session: https://claude.ai/code/session_017YfSHitPvSuuzVdVkhspWR
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做什麼 / What
把圖片模型的入門(便宜)階由舊世代
gemini-2.5-flash-image對齊為gemini-3.1-flash-lite-image(Nano Banana 2 Lite),讓三階與 Gemini 官方一致(Lite / 2 / Pro),並消除兩個登錄表的重複與漂移。
gemini-3.1-flash-lite-image← 本次改gemini-3.1-flash-imagegemini-3-pro-image改動:
core/infocards/models.py(圖片模型單一目錄):入門階 id 更新;內部 keylegacy→lite;三階 label 對齊官方命名;MODEL_PRICING補 lite 定價(0.002估算),並保留gemini-2.5-flash-image定價。core/models.py(角色登錄表):image.fast/image.pro的 id 改為直接引用上面的目錄(單一來源),兩表不再各寫一份 literal → 不可能再漂移。為什麼 / Why
先前盤點(見
docs/CODE_REVIEW_2026-07.mdT0-4 / T3-2)發現 image model id 多處分歧:core/infocards/models.py(3 階)與core/models.py(2 階)各寫一份、入門階還停在上一代2.5。本 PR 對齊入門階並讓兩表共用單一來源。
怎麼測 / How tested
pytest tests/test_models_registry.py tests/test_infocards_data.py→ 37 passedpytest tests/test_usage.py tests/test_check_models.py tests/test_settings.py tests/test_providers.py→ 70 passed, 4 skipped(skip 為 fastapi TestClient,環境未裝,CI 會跑)core.modelsimage 角色正確衍生自目錄、ROLES未變image_model_options(),內部 key 改名不影響)自我檢查 / Checklist
🤖 Generated with Claude Code
https://claude.ai/code/session_017YfSHitPvSuuzVdVkhspWR
Generated by Claude Code