Configuration

Settings live in the tier-router namespace as flat fields. Edit them in the settings card or write them directly:

tier-router:
  enabled: true
  classifier: heuristic          # heuristic | llm
  hardProvider: codex-local
  hardModel: gpt-6-astra
  hardEffort: ''                 # e.g. low / high / max; empty = unspecified
  normalProvider: codex-local
  normalModel: gpt-5.5
  normalEffort: ''
  easyProvider: gpudev
  easyModel: qwen3.8-27b-q5
  easyEffort: ''
  visionProvider: codex-local
  visionModel: gpt-6-astra
  visionEffort: ''
  visionMode: replace            # replace (structured evidence, default) | route (whole turn)
  visionCacheTtl: 3600           # seconds of vision-evidence cache; 0 disables
  visionFallbacks: []            # [{provider, model}] explicit vision fallbacks
  fallbackProvider: ''           # last resort; empty = the session default model
  fallbackModel: ''
  llmClassifierProvider: ''      # classifier: llm; empty = reuse the easy tier
  llmClassifierModel: ''

Field	Default	Meaning
`enabled`	`true`	Master switch; when off, requests go to the session default model.
`classifier`	`heuristic`	`heuristic` (built-in scoring) or `llm` (a model decides the tier).
`hardProvider` / `hardModel` / `hardEffort`	`codex-local` / `gpt-6-astra` / `''`	Hardest tier.
`normalProvider` / `normalModel` / `normalEffort`	`codex-local` / `gpt-5.5` / `''`	Everyday tier.
`easyProvider` / `easyModel` / `easyEffort`	`gpudev` / `qwen3.8-27b-q5` / `''`	Cheapest tier.
`visionProvider` / `visionModel` / `visionEffort`	`codex-local` / `gpt-6-astra` / `''`	Image tier.
`visionMode`	`replace`	Image handling; see below.
`visionCacheTtl`	`3600`	Vision-evidence cache in seconds.
`visionFallbacks`	`[]`	Explicit vision fallbacks before the default model.
`fallbackProvider` / `fallbackModel`	`''`	Route used when no tier is configured; empty = session default.
`llmClassifierProvider` / `llmClassifierModel`	`''`	Classifier model for `classifier: llm`.
`classifierTimeoutMs`	`4000`	Budget for the LLM classifier. On timeout the heuristic decides immediately and the slow answer is cached for later requests.
`visionTimeoutMs`	`60000`	Budget for one vision-sidecar call, so a hung vision provider cannot stall the turn.
`contextGuard`	`true`	Skip routes whose known context window cannot hold the request.

dsh-tier-router

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Configuration