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fork of prime agent with changes i want but are not upstreamable probqbly (and some fixes)
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12345678910111213141516171819202122232425262728293031323334{ "role": "assistant", "content": [ { "type": "thinking", "thinking": "So `findModel` just looks up a model by provider + id from the merged models list (built-in + models.json).\n\nFor the SDK, the flow would be:1. `model` provided → use it\n2. Else check settings for default → call `findModel(provider, id)` → check if available (has API key)\n3. Else first from `getAvailableModels()`\n\nThe `findModel` function returns `{ model, error }`. For SDK export, we might want a simpler signature.Options for SDK:\n\n**Option A: Keep current signature**```typescript\nfunction findModel(provider: string, modelId: string, agentDir?: string): { model: Model<any> | null; error: string | null };\n```**Option B: Simpler - just returns model or null**\n```typescript\nfunction findModel(provider: string, modelId: string, agentDir?: string): Model<any> | null;```\n\n**Option C: Throws on error**```typescript\nfunction findModel(provider: string, modelId: string, agentDir?: string): Model<any>; // throws if not found\n```\n\nI think **Option B** is fine for SDK. Errors from loading models.json are edge cases - if the file is malformed, we can throw. For \"model not found\", just return null.\n\nActually, for the SDK, maybe we should rethink. The user of the SDK will likely:\n1. Know which model they want and construct it directly2. Or want to pick from available modelsFor case 1, they don't need findModel - they construct the Model object.\nFor case 2, they use `discoverAvailableModels()` and pick.`findModel` is useful for looking up by string ID (like from config or user input). But the signature could just be:```typescriptfunction findModel(provider: string, modelId: string, agentDir?: string): Model<any> | null;\n```\n\nReturns the model if found (in built-ins or models.json), null if not found. Throws if models.json is malformed (exceptional case).\n\n\nThe SDK's model discovery functions provide a clean, straightforward way to handle model selection. I'll outline the key methods for finding and selecting models programmatically. The core functions allow discovering all models, filtering to available models with valid API keys, and finding a specific model by provider and ID. This gives developers flexible options for model management in their applications.\n\nIn the session creation process, if no model is explicitly specified, the system will first attempt to use the default provider and model configuration. If that fails, it will then retrieve the first available model from the discovered set. Should no models be found, an error will be raised to prevent silent failures.\n\nThe potential complexity arises from the need to support custom model configurations and ensure robust model selection across different scenarios.", "thinkingSignature": "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" }, { "type": "text", "text": "So the current flow in main.ts:\n\n**findInitialModelForSession:**\n1. CLI args (`--provider` + `--model`) → use if both provided\n2. Scoped models (`--models` flag) → use first (unless --continue/--resume)\n3. Settings (`defaultProvider` + `defaultModel`) → use if found\n4. First available model with valid API key\n5. Return null if none\n\n**initialThinking:**\n1. Start with `'off'`\n2. If scoped models (and not continuing) → use first scoped model's thinking level\n3. Else check `settings.defaultThinkingLevel`\n4. CLI `--thinking` overrides\n5. Clamp to model capabilities\n\n---\n\nFor SDK, we don't have CLI args or scoped models. Simplifies to:\n\n**model resolution (if omitted):**\n1. Check `settings.defaultProvider` + `settings.defaultModel` → find it, verify has API key\n2. Else first from `discoverAvailableModels()`\n3. Error if none\n\n**thinkingLevel resolution (if omitted):**\n1. Check `settings.defaultThinkingLevel`\n2. Else `'off'`\n3. Clamp to model capabilities\n\n---\n\nFor `findModel`, current signature returns `{ model, error }`. For SDK, simpler:\n\n```typescript\n// Returns model or null. Throws only if models.json is malformed.\nexport function findModel(provider: string, modelId: string, agentDir?: string): Model<any> | null;\n```\n\nSo the model-related exports:\n\n```typescript\n// All models (built-in + models.json)\nexport function discoverModels(agentDir?: string): Model<any>[];\n\n// Models with valid API keys\nexport function discoverAvailableModels(agentDir?: string): Promise<Model<any>[]>;\n\n// Lookup by provider/id\nexport function findModel(provider: string, modelId: string, agentDir?: string): Model<any> | null;\n```\n\nDoes this address the wonkiness, or is there something else bothering you about it?" } ], "api": "anthropic-messages", "provider": "anthropic", "model": "claude-opus-4-5", "usage": { "input": 8, "output": 1211, "cacheRead": 89775, "cacheWrite": 611, "totalTokens": 91605, "cost": { "input": 4e-5, "output": 0.030275, "cacheRead": 0.0448875, "cacheWrite": 0.00381875, "total": 0.07902124999999999 } }, "stopReason": "stop", "timestamp": 1766357372971}