docs(coding-cli-setup): split per-CLI docs into their own files

Move docs/coding-cli-setup.md to docs/coding-cli-setup/ with one file per CLI (claude-code, kimi-cli, opencode, qwen-code) plus a shared index.md for the gateway intro, tool-calling risk note, and summary table. Also fixes the qwen-code doc: context sizes are per-slot (LLAMA_CTX_SIZE / LLAMA_PARALLEL), not raw LLAMA_CTX_SIZE (same fix applied to OpenCode's limit.context); documents the fastModel classifier provider and its own context math; adds the omniroute-search MCP server (SearXNG web search) and Auto Mode permissions tuning that were missing from the original qwen-code section. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-09-08 12:30:08 +02:00
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+# OpenCode CLI
+
+[← back to overview](index.md)
+
+Confirmed project: **`anomalyco/opencode`** (renamed from `sst/opencode` — don't confuse with the unrelated `opencode-ai/opencode` Go TUI). Docs: https://opencode.ai/docs/
+
+**Install**:
+```bash
+curl -fsSL https://opencode.ai/install | bash
+```
+
+**Config** (`opencode.json`, project root or `~/.config/opencode/opencode.json`):
+
+```json
+{
+  "$schema": "https://opencode.ai/config.json",
+  "provider": {
+    "aiproxy": {
+      "npm": "@ai-sdk/openai-compatible",
+      "name": "AI proxy (local)",
+      "options": {
+        "baseURL": "http://<ai-box>:${OMNIROUTE_PORT:-4000}/v1",
+        "apiKey": "<opencode-cli virtual key>"
+      },
+      "models": {
+        "qwen3.8-27b-local": {
+          "name": "Qwen3.8-27B",
+          "limit": { "context": 65536, "output": 8192 }
+        }
+      }
+    }
+  }
+}
+```
+
+Set `limit.context` to the *per-slot* context this stack actually serves — `LLAMA_CTX_SIZE / LLAMA_PARALLEL` from `.env` (262144 / 2 = 131072 by default), not raw `LLAMA_CTX_SIZE` and not a value assumed from the model card: llama.cpp divides `--ctx-size` across concurrent slots, so each request only gets one slot's share. OpenCode uses this for its own context-management bookkeeping, not the server.
+
+Select the model with `aiproxy/qwen3.8-27b-local`.
+
+**OpenCode-specific risks** (on top of the shared Qwen3.8-27B tool-calling risk — see [overview](index.md)):
+- Requires llama.cpp's `--jinja` flag (already set) — without it, OpenCode's unconditional tool-call scaffolding gets a 500.
+- [anomalyco/opencode#20669](https://github.com/anomalyco/opencode/issues/20669) (closed as "not planned" — a live, unfixed risk): OpenCode's `bash` tool crashes if the model omits the optional `description` field on a tool call; some local backends return `finish_reason: tool_calls` with an empty array, which can hang the agent loop instead of stopping cleanly.
+- Thinking-mode handling (`options.reasoningEffort`) is undocumented for models that emit inline `<think>` tags rather than a native reasoning API field — expect no effect from that config on this model; untested.
+
+Further reading: `docs/research/opencode-cli-setup.md`.