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April 14, 2026 21:53
Add opencode as a new backend option alongside api, cli, and acp. The OpenCode backend invokes `opencode -p <prompt> --output-format text --quiet` and streams stdout using the same scanChunks splitter as the Claude CLI backend. - New file: internal/backend/opencode.go - Config: OpenCodePath field with INLINE_CLI_OPENCODE_PATH env var override - Server: "opencode" case in createBackend() switch
…-p`) The opencode CLI uses `opencode run <message>` for non-interactive mode, not `-p` which maps to `--password`. Also pass `--model` when provided.
opencode's default format writes to stderr with ANSI codes (TUI). Using `--format json` produces newline-delimited JSON events on stdout with types: step_start, text, step_finish. Parse these and extract text from "text" events. Also passes --model flag when provided and updates all tests to emit JSON events matching the real opencode output format.
Two issues caused empty responses: 1. The default model (claude-sonnet-4-20250514) was passed via --model to opencode, which uses a different provider/model format. opencode returned a JSON error event that was silently ignored. 2. Error events (type:"error") were not handled, so failures produced empty responses with no error message. Fix: stop passing --model (let opencode use its own default) and parse error events to surface meaningful error messages.
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Summary
Add OpenCode (
opencode) as a new backend for inline-cli, enabling users to route queries through the OpenCode CLI.internal/backend/opencode.go— implements theBackendinterface by invokingopencode run --format json <message>and parsing the newline-delimited JSON event stream from stdouttype:"text"events and surfacestype:"error"events as Go errors--modelsince opencode uses a differentprovider/modelformat)opencode_pathin TOML /INLINE_CLI_OPENCODE_PATHenv var for custom binary path"opencode"case intocreateBackend()ininternal/daemon/server.goFiles changed
internal/backend/opencode.gointernal/backend/opencode_test.gointernal/config/config.goOpenCodePathfield and env var overrideinternal/config/config_test.gointernal/daemon/server.go"opencode"case tocreateBackend()internal/daemon/server_test.goUsage
Or via environment variable:
export INLINE_CLI_BACKEND=opencodeTest plan
go build ./...passesgo test ./... -racepasses (11 backend tests + config + daemon tests)inline-cli query -p "say hi"returns response via opencode