Comprehensive Normalization.

src/backend/controllers/puterai/PuterAIController.test.ts

@@ -369,6 +369,9 @@ describe('PuterAIController.openaiChatCompletions', () => {
         ]);
         expect(completeArgs.stream).toBe(false);
         expect(completeArgs.provider).toBe('openai-completion');
+        // Wire routes translate shapes themselves; the driver is pinned
+        // provider-native so the release-date cutoff can't change them.
+        expect(completeArgs.normalize).toBe(false);
 
         // Response shape matches OpenAI's /v1/chat/completions wire format.
         const body = captured.body as Record<string, unknown>;
@@ -532,6 +535,7 @@ describe('PuterAIController.openaiCompletions', () => {
         expect(completeArgs.messages).toEqual([
             { role: 'user', content: 'hello there' },
         ]);
+        expect(completeArgs.normalize).toBe(false);
 
         const body = captured.body as Record<string, unknown>;
         expect(body.object).toBe('text_completion');
@@ -595,6 +599,7 @@ describe('PuterAIController.openaiResponses', () => {
             role: 'system',
             content: 'be brief',
         });
+        expect(completeArgs.normalize).toBe(false);
         // `input` becomes a user message after the system one.
         expect(completeArgs.messages[1]).toEqual({
             role: 'user',
@@ -662,6 +667,7 @@ describe('PuterAIController.anthropicMessages', () => {
             content: 'be helpful',
         });
         expect(completeArgs.provider).toBe('claude');
+        expect(completeArgs.normalize).toBe(false);
 
         const body = captured.body as Record<string, unknown>;
         expect(body.type).toBe('message');

src/backend/controllers/puterai/PuterAIController.ts

@@ -332,6 +332,10 @@ export class PuterAIController extends PuterController {
             messages: body.messages,
             model: toStringOrEmpty(body.model),
             stream,
+            // This route does its own wire translation; pin the driver to the
+            // provider-native shape so the release-date cutoff can't change
+            // what the translators below receive.
+            normalize: false,
             ...(body.tools ? { tools: body.tools as unknown[] } : {}),
             ...(body.temperature !== undefined
                 ? { temperature: Number(body.temperature) }
@@ -491,6 +495,8 @@ export class PuterAIController extends PuterController {
             messages,
             model: toStringOrEmpty(body.model),
             stream,
+            // Pinned provider-native — this route translates the shape itself.
+            normalize: false,
             ...(body.temperature !== undefined
                 ? { temperature: Number(body.temperature) }
                 : {}),
@@ -630,6 +636,8 @@ export class PuterAIController extends PuterController {
             messages,
             model: toStringOrEmpty(body.model),
             stream,
+            // Pinned provider-native — this route translates the shape itself.
+            normalize: false,
             ...(body.tools ? { tools: body.tools as unknown[] } : {}),
             ...(body.tool_choice ? { tool_choice: body.tool_choice } : {}),
             ...(body.parallel_tool_calls !== undefined
@@ -970,6 +978,8 @@ export class PuterAIController extends PuterController {
             messages: normalizedMessages,
             model: toStringOrEmpty(body.model),
             stream,
+            // Pinned provider-native — this route translates the shape itself.
+            normalize: false,
             ...(tools ? { tools } : {}),
             ...(body.temperature !== undefined
                 ? { temperature: Number(body.temperature) }

src/backend/core/context.ts

@@ -56,6 +56,11 @@ export interface KnownContextFields {
     req: Request;
     /** A unique id for this request — useful for structured logging / tracing. */
     requestId: string;
+    /**
+     * The driver name the caller addressed (set by DriverController for
+     * `/drivers/call` dispatch); drivers read it to pick a provider.
+     */
+    driverName: string;
 }
 
 // -- Context store ---------------------------------------------------