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feat: add provider and model routing tables, admin UI, and audit category for gateway

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Implement the multi-provider routing system for the OpenAI gateway, including two new database tables (`gateway_providers`, `gateway_models`) ensured at init, a new admin page at `/admin/gateway` with full CRUD for providers and model routes, and a `"gateway"` audit category mapped to `"ai"`. The routing layer sits transparently on top of the existing single-provider default path: unmatched model names fall through unchanged, while matched routes forward to the configured provider with their own pricing economy, vision model, and context window. Cross-worker cache invalidation uses a shared `_ROUTING_CACHE` bumped via `"gateway_routing"` cache version.
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retoor
2026-06-16 22:11:14 +00:00
parent c100b4b692
commit 7bc67662fa
21 changed files with 1401 additions and 20 deletions
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@@ -316,7 +316,7 @@ and its full configuration are documented automatically - including future servi
- **`ServiceManager`** - singleton: `register`, `describe_all`, `set_enabled`, `send_command`, `save_config`, `supervise`, `shutdown_all`
- **`NewsService`** - fetches news from `news.app.molodetz.nl/api`, grades with AI, stores articles >= threshold
- **`BotsService`** - Playwright fleet of AI personas that browse and interact with a DevPlace instance, with live cost/usage metrics and a live screenshot monitor at `/admin/bots` (opt-in; install the `bots` extra)
- **`GatewayService`** - OpenAI-compatible LLM gateway at `/openai/v1/*`, forwarding to DeepSeek (default) with optional vision augmentation; the single point of truth for AI that every other service routes through (enabled by default). Every chat request is made date-aware by injecting the current date in EU `DD/MM/YYYY` format into the system message when it contains no date already (date only, never time, to keep upstream prompt caching effective), and an admin-configurable system preamble (`gateway_system_preamble`) can be prepended ahead of the client's system message on every call
- **`GatewayService`** - OpenAI-compatible LLM gateway at `/openai/v1/*`, forwarding to DeepSeek (default) with optional vision augmentation; the single point of truth for AI that every other service routes through (enabled by default). Every chat request is made date-aware by injecting the current date in EU `DD/MM/YYYY` format into the system message when it contains no date already (date only, never time, to keep upstream prompt caching effective), and an admin-configurable system preamble (`gateway_system_preamble`) can be prepended ahead of the client's system message on every call. **Provider and model routing** (admin **Gateway** page, `/admin/gateway`) maps any number of requested model names onto named upstream providers and target models, each with its own pricing economy (input, output and cache-hit/cache-miss rates per million tokens) and an optional vision model that describes image content before forwarding, so text and vision models are merged transparently. Unmapped requests fall through to the default upstream unchanged, so existing clients are unaffected
- **`JobService` / `ZipService` / `ForkService`** - generic async job framework (`services/jobs/`) for heavy, blocking work run off the request path; `ZipService` builds project zip archives in a subprocess, `ForkService` copies a project into a new project owned by the forking user
- **`ContainerService`** - the admin container manager (`services/containers/`): a reconciling supervisor for container instances, all running one shared prebuilt image