fix(custom-model): create missing dsh home dirs before linking, rebuild restore bookkeeping, dedicated custom key var, schema guards for the real-home recipe

- linkFromRealHomeDirs marks directory entries: missing dirs are created (0700) instead of leaving a dangling link that failed every prompt with ENOENT; missing file targets are skipped
- _restoreCustomModel rebuilds the bookkeeping from the CURRENT recipe (configDir + env-key union) so a selection saved under the old env recipe can still be cleared after upgrade; drop the dead session-home recovery lookup
- deepseek's patch now references CODEMAN_CUSTOM_MODEL_API_KEY, so an in-session /model switch back to the official route cannot carry the custom key to api.deepseek.com (privilegedEnvKeys updated)
- schema: realHomeFallback must be one relative segment; linkFromRealHome requires it and must not collide with fileName
- docs: maintainer-verified real-dsh run replaces the outstanding-verification wording; shares-vs-isolates note; plan table row refreshed
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Devvyn committed 2026-11-02 14:06:56 +08:00
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@@ -8,8 +8,10 @@ against a **cloud** OpenAI-compatible endpoint too (e.g. Azure AI Foundry's
OpenAI-compatible inference endpoint, OpenRouter, a self-hosted gateway).
Right now every Codeman session mode defaults to its native cloud backend
with no way to redirect a session at any other endpoint from the UI — the
closest existing precedent is DeepSeek's server-env-sourced
`DEEPSEEK_BASE_URL`, which isn't user-facing.
closest existing precedent was DeepSeek's server-env-sourced
`DEEPSEEK_BASE_URL`, which wasn't user-facing (that env redirect has since
been superseded by deepseek's per-session patch recipe — see the table
below).
**Scope note**: this plan originally said "local LLM." It now covers any
OpenAI-compatible endpoint the user configures — local (llama.cpp, Ollama,
@@ -112,7 +114,7 @@ declared capability, never an `if (mode === 'claude')` branch.
| `gemini` | Env vars `GOOGLE_GEMINI_BASE_URL` + `GEMINI_API_KEY` + `GEMINI_MODEL`; CLI needs a restart to pick them up | **Confirmed BROKEN against llama.cpp/llama-swap, unresolved after real investigation.** Setting `GOOGLE_GEMINI_BASE_URL` makes gemini-cli internally select an `AuthType.GATEWAY` auth path (undocumented — inferred from behaviour) with validation requirements distinct from every normal auth mode; a real run against llama-swap fails with `Invalid auth method selected` regardless of what key/format is supplied. Tried and all failed: a Google-format dummy API key, `GOOGLE_GENAI_USE_VERTEXAI=false`, a `GEMINI_DEFAULT_AUTH_TYPE` override, and hand-writing `settings.json` directly. `--skip-trust` was a real, separate fix (without it a trust-folder check silently overrides `--approval-mode yolo` back to `default`) but does not touch this auth failure. Documented as an open gap, not shipped as working — the registry entry and injection code exist and are exercised by the test script, but end-to-end gemini support needs upstream investigation of `GATEWAY` AuthType before it can be called done |
| `pi` | Config file `~/.pi/agent/models.json` with a custom provider whose `models` is an **array** of `{id}` objects (not an object keyed by id) plus `authHeader: true`. Redirected via the child process's own `HOME` env var, isolated per test/session — **not** `PI_CONFIG_DIR`, which does nothing for pi (grepped pi's entire bundled JS source: the string appears nowhere) | **Verified end-to-end** against a real llama-swap server — real "hello world" reply came back. Two real bugs found and fixed before this worked: (1) `PI_CONFIG_DIR` is not read by pi at all — pi hardcodes `~/.pi/agent/models.json` with no dedicated override, so the actual redirect has to be the child process's `HOME`; (2) `models` must be an array of `{id}` objects per pi's own bundled `docs/models.md`, not an object keyed by model id (silently loaded zero models). Also requires an explicit `--model custom/<id>` on invocation — without it pi falls back to its own default provider and fails with "No API key found for the selected model" |
| `grok` | TOML `config.toml`: a fixed `[model.codeman-custom]` block (`base_url`, `env_key` naming an env var the key rides in, never a literal TOML field) written to an isolated dir via `GROK_HOME`. Invoked with `-m codeman-custom` | **Verified end-to-end** against a real llama-swap server — real "hello world" reply came back. The ORIGINAL recipe in this table (env vars `GROK_BASE_URL`/`XAI_API_KEY`/`GROK_MODEL`) was flat-out **wrong**, not just unverified: it produced "Not signed in" against a real binary. Grok's real mechanism, confirmed against xAI's own docs and a live binary, is a `config.toml` with a `[model.<name>]` block, redirected via `GROK_HOME`; the key still rides as an env var (`XAI_API_KEY` via `env_key`), just referenced from the TOML rather than read directly |
| `deepseek` | Reuse the **existing** `DEEPSEEK_BASE_URL` + `DEEPSEEK_API_KEY` keys (already declared in `stock.ts`), now with `appendV1Suffix: true` (see confidence). Only `DEEPSEEK_BASE_URL` is in `privilegedEnvKeys` — `DEEPSEEK_API_KEY` deliberately stays clamp-exempt, since a non-granted owner supplying their OWN key removes privilege rather than granting it (adding it to the clamp list was a real regression, caught by `test/deepseek-mode.test.ts` and fixed before merge). No model-selection var — dsh model is a profile composition entry, not a flag/env var | **Root cause of the original `HTTP_404` found and fixed, by reading dsh's own bundled source — the same bar pi/grok's fixes were held to.** Installed `@deepseek-ai/dsh` (all its real published dependencies) into a scratch directory purely to read `@deepseek-ai/dsh-llm-deepseek/lib/index.js`: it builds its request as `fetch(\`${connection.baseURL}/chat/completions\`, ...)`with`baseURL`read straight from`DEEPSEEK_BASE_URL`(or defaulting to DeepSeek's real public API root,`https://api.deepseek.com`, which also carries no `/v1`) — no `/v1` insertion of dsh's own, unlike the OpenAI-SDK convention this recipe originally assumed. llama-swap/llama.cpp only ever serves the OpenAI-conventional `/v1/chat/completions`. Confirmed live: `POST <baseUrl>/chat/completions` → `404`, `POST <baseUrl>/v1/chat/completions` → `200`, on the exact same endpoint — and dsh's own error-message template, `DeepSeek API error (HTTP ${status})`, reproduces the originally reported `dsh: HTTP_404: DeepSeek API error (HTTP 404)` precisely. Fixed by adding `appendV1Suffix` (env kind only, deepseek's entry alone — claude/gemini must NOT get it, since claude was already confirmed working against the unmodified `baseUrl`), which runs `endpoint.baseUrl` through the same `withV1Suffix()` helper `configDir`-kind CLIs already use. ⚠️ Not yet re-run end-to-end with a real `dsh` binary — no install available in this environment (no npm-installed CLI binary in `PATH`, and the `codeman-test-picker` container doesn't bundle it either); the fix is source-confirmed and live-verified at the HTTP level, but a genuine "hello world" reply through `dsh` itself is the remaining step before promoting this to **verified** alongside claude/opencode/pi/grok/omp |
| `deepseek` | Per-session **`DSH_HOME` configDir recipe** (supersedes the original `DEEPSEEK_BASE_URL` + `appendV1Suffix` env redirect): an isolated dir holding only a generated `cordis.patch.yml` — a `codeman-custom` `openai-completions` provider (the base URL gets the `/v1` suffix from the shared `renderConfigFile` step), plus home-level `dsh-tui`/`agent-default-model` rows that select the exact model; the key is referenced by name via `apiKeyEnv: CODEMAN_CUSTOM_MODEL_API_KEY` — a dedicated var, because dsh's own `llm-deepseek`/`web-search-deepseek` patch rows read `DEEPSEEK_API_KEY`, and an in-session `/model` switch back to the official route must not carry the custom key to api.deepseek.com. `linkFromRealHome` + `linkFromRealHomeDirs` symlink `profiles`/`sessions` (directories, created if the real home never ran a turn) and `settings.yaml` back out of the real dsh home. `DSH_HOME` and `CODEMAN_CUSTOM_MODEL_API_KEY` are in `privilegedEnvKeys`; the operator's own `DEEPSEEK_API_KEY` handling (clamp-exempt, server-key forwarding) is unchanged | **Verified end-to-end against a real dsh install by the maintainer** (dsh 0.1.1-rc.2, dsh-TUI 0.10.0-beta.1): `--dump-config` shows the three patched rows, the TUI boots on the chosen model, and a prompt reaches the endpoint as `POST /v1/chat/completions` with the right model, the bearer key and `max_tokens: 8192` — the reply renders and the context window shows in the footer. The original `HTTP_404` root cause stays documented in docs/custom-model-endpoints.md: dsh concatenates `/chat/completions` onto the raw base URL, which is why the env recipe needed `/v1` |
| `omp` | Config file `~/.omp/agent/models.yml` with the same array-shaped `models` + `authHeader: true` fix as pi. Redirected via `HOME`, same reasoning as pi (`PI_CONFIG_DIR` does not relocate omp's config either, despite an earlier CLAUDE.md note claiming it does) | **Verified end-to-end** against a real llama-swap server — real "hello world" reply came back, after applying the same two fixes as pi (array-shaped `models`, `HOME`-redirect instead of `PI_CONFIG_DIR`) plus an explicit `--model custom/<id>` on invocation. Unverified against omp's own official docs (none are bundled in the install), but empirically confirmed working live |
| `antigravity` | No CLI/env/config mechanism found — Antigravity's docs describe only a GUI settings panel, and explicitly say a custom endpoint "cannot currently" become the core reasoning model. **Not implemented**; toolbar entry stays disabled for this mode with an explanatory tooltip | No known mechanism |
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@@ -549,11 +549,25 @@ for '<id>' not found. Defaulting to fallback metadata...` on launch —
through), so the installed profile keeps supplying the transport; the
recipe's `linkFromRealHome` field symlinks `profiles`, `sessions` and
`settings.yaml` back out of the real dsh home so installed bundles,
transcripts and user settings all survive the redirect. Not yet re-run
end-to-end with a real `dsh` binary — the fix
is source-confirmed and live-verified at the HTTP level, but a real
"hello world" reply through `dsh` itself is still outstanding before
calling this fully verified like the harnesses above.
transcripts and user settings all survive the redirect (missing
directory entries are created first — a home that has never run a
turn would otherwise get a dangling link whose every write through
it failed with ENOENT). **Verified end-to-end against a real dsh
install by the maintainer** (dsh 0.1.1-rc.2, dsh-TUI 0.10.0-beta.1):
`--dump-config` shows the three patched rows, the TUI boots on the
chosen model, and a prompt reaches the endpoint as
`POST /v1/chat/completions` with the right model, the bearer key and
`max_tokens: 8192`; the reply renders and the context window shows in
the footer. What such a session SHARES with the real home is exactly
the linked entries — `profiles/`, `sessions/`, `settings.yaml`.
Everything else in the generated `DSH_HOME` stays isolated:
`storages/` (dsh-TUI's persisted `/model` choice and workspace
state), `.agent-presets` and `.env`. Whether those dotted ones should
be shared too is an open design question left to the maintainer —
linking them additionally needs `homeSegmentName` to allow a leading
dot. Note too that the generated home-level patch row REPLACES the
`dsh-tui` row's whole `config` for the session, so a profile-level
`effort`/`preset` does not apply.
- **Antigravity** — no known custom-endpoint mechanism at all; unsupported.
See the confidence table in `custom-model-endpoints-plan.md` for the full detail behind