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readme: merge config precedence into configuration section #421

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Tarquinen merged 2 commits into from
Mar 9, 2026
Merged

readme: merge config precedence into configuration section #421

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readme: merge config precedence into configuration section
Tarquinen Mar 9, 2026
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Merge branch 'master' into dev
Tarquinen Mar 9, 2026
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18 changes: 6 additions & 12 deletions README.md
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Expand Up @@ -42,11 +42,13 @@ Prunes inputs from errored tool calls after a configurable number of turns (defa

## Configuration

DCP uses its own config file:
DCP uses its own config file, searched in order:

- Global: `~/.config/opencode/dcp.jsonc` (or `dcp.json`), created automatically on first run
- Custom config directory: `$OPENCODE_CONFIG_DIR/dcp.jsonc` (or `dcp.json`), if `OPENCODE_CONFIG_DIR` is set
- Project: `.opencode/dcp.jsonc` (or `dcp.json`) in your project's `.opencode` directory
1. Global: `~/.config/opencode/dcp.jsonc` (or `dcp.json`), created automatically on first run
2. Custom config directory: `$OPENCODE_CONFIG_DIR/dcp.jsonc` (or `dcp.json`), if `OPENCODE_CONFIG_DIR` is set
3. Project: `.opencode/dcp.jsonc` (or `dcp.json`) in your project's `.opencode` directory

Each level overrides the previous, so project settings take priority over global. Restart OpenCode after making config changes.

> [!IMPORTANT]
> Defaults are applied automatically. Expand this if you want to review or override settings.
Expand Down Expand Up @@ -208,14 +210,6 @@ The `protectedTools` arrays in `commands` and `strategies` add to this default l

For the `compress` tool, `compress.protectedTools` ensures specific tool outputs are appended to the compressed summary. It defaults to an empty array `[]` but always inherently protects `task`, `skill`, `todowrite`, and `todoread`.

### Config Precedence

Settings are merged in order:
Defaults → Global (`~/.config/opencode/dcp.jsonc`) → Config Dir (`$OPENCODE_CONFIG_DIR/dcp.jsonc`) → Project (`.opencode/dcp.jsonc`).
Each level overrides the previous, so project settings take priority over config-dir and global, which take priority over defaults.

Restart OpenCode after making config changes.

## Impact on Prompt Caching

LLM providers cache prompts based on exact prefix matching. When DCP prunes content, it changes messages, which invalidates cached prefixes from that point forward.
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