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enable prompt caching #36

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Merged
tsuz merged 4 commits into from
May 25, 2026
Merged

enable prompt caching #36

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4f8bf98
enable cache control
tsuz May 24, 2026
9fa0e90
add prompt cache from env var
tsuz May 25, 2026
d3ec121
test: verify PROMPT_CACHING toggles cache_control in think-consumer
tsuz May 25, 2026
3388e01
ading architecgtur
tsuz May 25, 2026
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1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -90,6 +90,7 @@ All configuration is done via environment variables in the `.env` file. See [`.e
| `CLAUDE_API_KEY` | *(required for Claude)* | Your Anthropic API key |
| `CLAUDE_MODEL` | `claude-sonnet-4-20250514` | Claude model to use |
| `CLAUDE_MAX_TOKENS` | `8096` | Max tokens per Claude response |
| `PROMPT_CACHING` | `false` | Enable Anthropic prompt caching (adds a `cache_control` breakpoint to the system prompt). Only takes effect when the cached prefix exceeds the model's minimum cacheable length (e.g. 4,096 tokens for Haiku 4.5, 1,024 for Sonnet). |
| `GEMINI_API_KEY` | *(required for Gemini)* | Your Google Gemini API key |
| `GEMINI_MODEL` | `gemini-2.5-flash` | Gemini model to use |
| `GEMINI_MAX_TOKENS` | `4096` | Max tokens per Gemini response |
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