fix: refresh stale fallback model catalog to current Claude models

src/daemon/context-math.ts

@@ -12,7 +12,7 @@
  *     (they're all bytes the model processed for that primary call)
  */
 
-/** Default context window for Opus 4.7 and Sonnet 4.x (with 1M beta). */
+/** Default context window for the current Opus / Sonnet families (1M). */
 export const CONTEXT_WINDOW_DEFAULT = 1_000_000;
 
 /**

src/daemon/context-windows.test.ts

@@ -6,45 +6,48 @@ import {
 } from "./context-windows";
 
 describe("contextWindowForModel", () => {
-  test("opus-4-7 explicit -> 1M", () => {
+  test("current 1M families -> 1M", () => {
+    expect(contextWindowForModel("claude-opus-4-8")).toBe(ONE_MILLION_CONTEXT);
     expect(contextWindowForModel("claude-opus-4-7")).toBe(ONE_MILLION_CONTEXT);
+    expect(contextWindowForModel("claude-opus-4-6")).toBe(ONE_MILLION_CONTEXT);
+    expect(contextWindowForModel("claude-sonnet-5")).toBe(ONE_MILLION_CONTEXT);
+    expect(contextWindowForModel("claude-sonnet-4-6")).toBe(ONE_MILLION_CONTEXT);
+    expect(contextWindowForModel("claude-fable-5")).toBe(ONE_MILLION_CONTEXT);
+  });
+
+  test("dated point releases keep the family window", () => {
+    expect(contextWindowForModel("claude-opus-4-8-20260101")).toBe(ONE_MILLION_CONTEXT);
     expect(contextWindowForModel("claude-opus-4-7-20260101")).toBe(ONE_MILLION_CONTEXT);
   });
 
-  test("opus alias -> 1M (codeoid default)", () => {
+  test("opus / sonnet aliases -> 1M (Opus 4.8 / Sonnet 5)", () => {
     expect(contextWindowForModel("opus")).toBe(ONE_MILLION_CONTEXT);
+    expect(contextWindowForModel("sonnet")).toBe(ONE_MILLION_CONTEXT);
   });
 
-  test("sonnet / haiku aliases -> 200k", () => {
-    expect(contextWindowForModel("sonnet")).toBe(DEFAULT_CONTEXT_WINDOW);
+  test("haiku alias and full id -> 200k", () => {
     expect(contextWindowForModel("haiku")).toBe(DEFAULT_CONTEXT_WINDOW);
-  });
-
-  test("default opus 4.x family -> 200k (no -1m suffix)", () => {
-    expect(contextWindowForModel("claude-opus-4-6")).toBe(DEFAULT_CONTEXT_WINDOW);
-  });
-
-  test("sonnet / haiku full ids -> 200k", () => {
-    expect(contextWindowForModel("claude-sonnet-4-6")).toBe(DEFAULT_CONTEXT_WINDOW);
     expect(contextWindowForModel("claude-haiku-4-5")).toBe(DEFAULT_CONTEXT_WINDOW);
+    expect(contextWindowForModel("claude-haiku-4-5-20251001")).toBe(DEFAULT_CONTEXT_WINDOW);
   });
 
   test("explicit -1m suffix -> 1M", () => {
-    expect(contextWindowForModel("claude-sonnet-4-6-1m")).toBe(ONE_MILLION_CONTEXT);
+    expect(contextWindowForModel("claude-sonnet-4-5-1m")).toBe(ONE_MILLION_CONTEXT);
   });
 
-  test("unknown model -> conservative 200k miss", () => {
+  test("unknown claude model -> conservative 200k miss", () => {
+    expect(contextWindowForModel("claude-sonnet-4-0")).toBe(DEFAULT_CONTEXT_WINDOW);
     expect(contextWindowForModel("custom-model")).toBe(DEFAULT_CONTEXT_WINDOW);
   });
 
-  test("undefined / empty -> 1M (codeoid default == opus-4-7)", () => {
+  test("undefined / empty -> 1M (codeoid default == opus family)", () => {
     expect(contextWindowForModel(undefined)).toBe(ONE_MILLION_CONTEXT);
     expect(contextWindowForModel(null)).toBe(ONE_MILLION_CONTEXT);
     expect(contextWindowForModel("")).toBe(ONE_MILLION_CONTEXT);
   });
 
   test("case-insensitive", () => {
-    expect(contextWindowForModel("Claude-Opus-4-7")).toBe(ONE_MILLION_CONTEXT);
+    expect(contextWindowForModel("Claude-Opus-4-8")).toBe(ONE_MILLION_CONTEXT);
     expect(contextWindowForModel("OPUS")).toBe(ONE_MILLION_CONTEXT);
   });
 });

src/daemon/context-windows.ts

@@ -4,14 +4,14 @@
  * Anthropic publishes context windows per model family; today the relevant
  * facts for codeoid are:
  *
- *   - claude-opus-4-7 (the "1M" variant): 1,000,000
- *   - claude-opus-4-x (default): 200,000
- *   - claude-sonnet-4-x: 200,000 (beta 1M is gated, treat as default)
+ *   - claude-fable-5 / claude-mythos-5: 1,000,000
+ *   - claude-opus-4-5 through claude-opus-4-8: 1,000,000
+ *   - claude-sonnet-5 / claude-sonnet-4-6: 1,000,000
  *   - claude-haiku-4-x: 200,000
  *
- * Aliases (`opus` / `sonnet` / `haiku`) resolve to the family's default
- * context window. When the SDK swaps in a different concrete model under
- * the alias, the daemon updates `SessionInfo.model` and we re-derive.
+ * Aliases (`opus` / `sonnet` / `haiku`) resolve to the family's context
+ * window. When the SDK swaps in a different concrete model under the
+ * alias, the daemon updates `SessionInfo.model` and we re-derive.
  *
  * Unknown models fall back to 200k — the conservative miss matches every
  * non-1M Claude model and keeps the percent-of-window accurate within
@@ -21,25 +21,42 @@
 export const DEFAULT_CONTEXT_WINDOW = 200_000;
 export const ONE_MILLION_CONTEXT = 1_000_000;
 
+/** Model-id fragments (lowercase) whose families ship a 1M context window. */
+const ONE_MILLION_FAMILIES = [
+  "fable-5",
+  "mythos-5",
+  "opus-4-5",
+  "opus-4.5",
+  "opus-4-6",
+  "opus-4.6",
+  "opus-4-7",
+  "opus-4.7",
+  "opus-4-8",
+  "opus-4.8",
+  "sonnet-5",
+  "sonnet-4-6",
+  "sonnet-4.6",
+] as const;
+
 /**
  * Resolve the context window for a model id (or alias). Case-insensitive.
  * Matches by prefix + substring so future minor versions (e.g.
- * `claude-opus-4-7-1m-20260101`) don't break the table.
+ * `claude-opus-4-8-20260101`) don't break the table.
  */
 export function contextWindowForModel(modelId: string | undefined | null): number {
-  if (!modelId) return ONE_MILLION_CONTEXT; // codeoid default; opus-4-7 is the SDK default
+  if (!modelId) return ONE_MILLION_CONTEXT; // codeoid default; the `opus` alias family is 1M
   const m = modelId.toLowerCase();
 
-  // Explicit 1M-context Opus variant.
-  if (m.includes("opus-4-7") || m.includes("opus-4.7")) return ONE_MILLION_CONTEXT;
+  // Known 1M-context families.
+  for (const family of ONE_MILLION_FAMILIES) {
+    if (m.includes(family)) return ONE_MILLION_CONTEXT;
+  }
   if (m.includes("-1m")) return ONE_MILLION_CONTEXT;
 
-  // Aliases (matching the daemon's model resolver).
-  if (m === "opus" || m === "sonnet" || m === "haiku") {
-    return m === "opus"
-      ? ONE_MILLION_CONTEXT // codeoid's `opus` alias resolves to opus-4-7 (1M)
-      : DEFAULT_CONTEXT_WINDOW;
-  }
+  // Aliases (matching the daemon's model resolver: opus → Opus 4.8,
+  // sonnet → Sonnet 5 — both 1M; haiku → Haiku 4.5 at 200k).
+  if (m === "opus" || m === "sonnet") return ONE_MILLION_CONTEXT;
+  if (m === "haiku") return DEFAULT_CONTEXT_WINDOW;
 
   // Other Claude models: 200k.
   if (m.startsWith("claude-")) return DEFAULT_CONTEXT_WINDOW;

src/daemon/models.ts

@@ -44,17 +44,17 @@ export interface ModelDescriptor {
  */
 export const MODEL_CATALOG: readonly ModelDescriptor[] = [
   {
-    id: "claude-opus-4-7",
+    id: "claude-opus-4-8",
     alias: "opus",
-    label: "Opus 4.7",
+    label: "Opus 4.8",
     contextWindow: 1_000_000,
     tier: "premium",
     description: "Deepest reasoning. Best for planning, refactoring, and hard problems.",
   },
   {
-    id: "claude-sonnet-4-6",
+    id: "claude-sonnet-5",
     alias: "sonnet",
-    label: "Sonnet 4.6",
+    label: "Sonnet 5",
     contextWindow: 1_000_000,
     tier: "balanced",
     description: "Fast and capable. Good default for day-to-day coding.",
@@ -82,7 +82,7 @@ export function findModel(identifier: string): ModelDescriptor | null {
 
 /**
  * Resolve user input → full model id. Accepts:
- *   - an alias ("opus" → "claude-opus-4-7")
+ *   - an alias ("opus" → "claude-opus-4-8")
  *   - a full known id (passed through)
  *   - any other string that looks like a Claude model id (passed through —
  *     user knows what they want; we don't gatekeep)

src/daemon/session.ts

@@ -201,8 +201,8 @@ export class Session {
   // prompt so the agent knows what it was working on. Captured inside
   // rotate() from the most recent user_turn episode.
   #lastUserTurnBeforeRotate: string | null = null;
-  // Claude's context window. Opus 4.7 + Sonnet 4.x (1M beta) share 1M; we
-  // compute occupancy against this constant. Making it tunable per-session
+  // Claude's context window. The current Opus and Sonnet families share 1M;
+  // we compute occupancy against this constant. Making it tunable per-session
   // was considered overkill — users rarely run sub-1M models via codeoid.
   static readonly CONTEXT_WINDOW = 1_000_000;
 

src/tui/components/StatusBar.tsx

@@ -67,7 +67,7 @@ export function StatusBar({
       ? Math.max(0, Math.floor((Date.now() - workingSince) / 1000))
       : null;
   // Resolve the denominator for ctx% from the CURRENT model's real window.
-  // Haiku 4.5 = 200k; Opus 4.7 / Sonnet 4.6 = 1M. Hardcoding 1M made a Haiku
+  // Haiku 4.5 = 200k; Opus 4.8 / Sonnet 5 = 1M. Hardcoding 1M made a Haiku
   // session at 150k look like "15%" when it's really 75% full.
   const contextWindow =
     (focused?.info.model && findModel(focused.info.model)?.contextWindow) ||
@@ -145,7 +145,7 @@ export function StatusBar({
             <>
               <Text dimColor>{" · "}</Text>
               <Text color="cyan">
-                {/* Prefer the resolved full id (e.g. "claude-opus-4-7") so
+                {/* Prefer the resolved full id (e.g. "claude-opus-4-8") so
                     operators can see the exact version routed to the SDK.
                     Falls through to whatever the session reports if we
                     don't recognize it in the catalog. */}
@@ -330,7 +330,7 @@ function pickCacheColor(u: {
 
 /**
  * Fallback context window when the session reports a model we don't recognize.
- * 1M matches the default codeoid ships with (Opus 4.7 / Sonnet 4.6 both 1M).
+ * 1M matches the default codeoid ships with (Opus 4.8 / Sonnet 5 both 1M).
  * The real denominator comes from `findModel(id).contextWindow` per-session
  * — this only kicks in for unknown ids (e.g. a passthrough `claude-foo-bar`).
  */