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CaIon
6c22550ea3
Channel model_mapping keys exposed in a channel's model list now act as first-class aliases for task-plugin models across the whole line: - Derived alias view (model/task_model_alias.go): built from enabled channels' model_mapping, chain-following with cycle detection, declared names always win, cross-plugin conflicts dropped. Rebuilt on channel cache refresh, registry generation change, and a 60s TTL. - Request path: PinTaskPluginEndpoint resolves declared-name case folds and mapping aliases before endpoint lookup (never rewriting the body until the endpoint is claimed), pins with MappedModel, and the decode contract accepts alias echoes without loosening model ownership for normal pins. Legacy /v1/tasks submit folds case variants the same way. Fixes aliases on POST /v1/responses silently falling through to the main relay against task channels. - Mapping order: ModelMappedHelper now runs before the plugin submit hook builds and caches the upstream body, so channel model_mapping actually reaches the upstream request. Plugins receive the mapped name as ctx.upstreamModel in both decode and submit contexts. - Billing: identity stays the origin name; when the alias has no tiered expression, the selected channel's mapping tail expression applies. Pricing page and billing-expr smoke tests resolve aliases to the owning plugin's usage schema. - Case folding: ASCII-only fold with exact-match priority; same-plugin and cross-plugin fold collisions rejected at registration. - Plugins: model-keyed rate tables, req_key derivation, and combo validation in doubao/kling/jimeng/hailuo/vidu/sunoapi now key on ctx.upstreamModel || ctx.model; render/echo paths keep ctx.model.