From 6433cc42de1ceca7210e2b64ad3b98b3a5ce7d02 Mon Sep 17 00:00:00 2001 From: Adam Malczewski Date: Tue, 2 Jun 2026 13:25:23 +0900 Subject: feat(context-window): show current/max context usage per tab/model Add a 'Context Window' sidebar view showing the live context occupancy (latest request's input+output) against the model's maximum context window, resolved dynamically from the models.dev catalog. - core: models.dev catalog module (resolveContextLimit) with disk cache, TTL, stale-fallback + offline penalty memo; null for unknown models. - api: GET /models/context-limit?provider=&modelId=. - frontend: ContextWindowPanel + computeContextUsage helper; App resolves + caches the active model's max (anthropic/opencode-anthropic only); percent shown to 2 decimals; degrades to bare token count when max unknown. - tests: core catalog (13), api route (3), frontend helper (6). --- packages/api/src/routes/models.ts | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'packages/api/src') diff --git a/packages/api/src/routes/models.ts b/packages/api/src/routes/models.ts index 03c079a..6a0f5dc 100644 --- a/packages/api/src/routes/models.ts +++ b/packages/api/src/routes/models.ts @@ -17,6 +17,7 @@ import { listStoredCredentials, refreshAccountCredentialsAsync, resolveApiKey, + resolveContextLimit, setApiKey, validateAccountCredentials, } from "@dispatch/core"; @@ -161,6 +162,21 @@ modelsRoutes.get("/available", async (c) => { return c.json({ models }); }); +// Resolve a model's MAXIMUM context window (in tokens) from the models.dev +// catalog. Returns `{ contextLimit: number | null }`; `null` means the model's +// limit is unknown (unsupported provider, unknown model, or catalog offline), +// which the frontend renders without a denominator/percentage. +modelsRoutes.get("/context-limit", async (c) => { + const provider = c.req.query("provider"); + const modelId = c.req.query("modelId"); + if (!provider || !modelId) { + return c.json({ error: "provider and modelId query parameters are required" }, 400); + } + + const contextLimit = await resolveContextLimit(provider, modelId); + return c.json({ contextLimit }); +}); + // List available Claude accounts with validated credentials modelsRoutes.get("/claude-accounts", async (c) => { const candidates = resolveClaudeAccounts(); -- cgit v1.2.3