fix(capabilities): add kimi-k2.6 to supplemental model entries

kimi-k2.6 is referenced in fallback chains but missing from the bundled snapshot (which only has kimi-k2.5). Added supplemental entry with specs matching models.dev data.

src/shared/model-capabilities/supplemental-entries.ts

@@ -1,6 +1,21 @@
 import type { ModelCapabilitiesSnapshotEntry } from "./types"
 
 export const SUPPLEMENTAL_MODEL_CAPABILITIES: Record<string, ModelCapabilitiesSnapshotEntry> = {
+	"kimi-k2.6": {
+		id: "kimi-k2.6",
+		family: "kimi",
+		reasoning: true,
+		temperature: true,
+		toolCall: true,
+		modalities: {
+			input: ["text", "image", "video"],
+			output: ["text"],
+		},
+		limit: {
+			context: 262144,
+			output: 262144,
+		},
+	},
 	"gpt-5.5": {
 		id: "gpt-5.5",
 		family: "gpt",