refactor: prune unused llm contract fields

packages/llm/llm-deepseek/src/adapter.ts

@@ -79,9 +79,9 @@ export class DeepSeekAdapter extends LlmAdapter {
         const parsed = await response.json() as WireError
         if (parsed.error?.message) message = parsed.error.message
       } catch {
-        // Paranoid by design: `code` and the HTTP status are ALREADY captured
-        // above (and passed to LlmError below), so the only thing this `try`
-        // can add is a richer provider-supplied message. A malformed, empty,
+        // Paranoid by design: the stable `code` and status-line message are
+        // already captured above, so the only thing this `try` can add is a
+        // richer provider-supplied message. A malformed, empty,
         // or non-JSON error body is a normal thing for gateways/proxies to
         // return on a 5xx/429 — swallowing the parse failure keeps the usable
         // status-line message instead of letting a JSON.parse throw mask the
@@ -89,7 +89,7 @@ export class DeepSeekAdapter extends LlmAdapter {
         // is the sole statement, and any non-parse failure (e.g. body already
         // consumed) is equally non-actionable here.
       }
-      throw new LlmError(message, code, response.status)
+      throw new LlmError(message, code)
     }
     if (!response.body) {
       throw new LlmError('DeepSeek API returned no response body', 'EMPTY_RESPONSE')

packages/llm/llm-deepseek/tests/adapter.spec.ts

@@ -158,7 +158,7 @@ describe('DeepSeekAdapter against a mock server', () => {
       status,
       body: JSON.stringify({ error: { message: `failed with ${status}`, type: 't', code: 'c' } }),
     }
-    const server = await mockServer([behavior, behavior, behavior])
+    const server = await mockServer([behavior, behavior])
     const ctx = await harness(server.url)
     await expect(assemble(ctx,{ model: 'deepseek-v4-flash', messages: [] }))
       .rejects.toThrow(`failed with ${status}`)
@@ -166,11 +166,6 @@ describe('DeepSeekAdapter against a mock server', () => {
       assemble(ctx,{ model: 'deepseek-v4-flash', messages: [] })
         .catch((error: unknown) => (error as LlmError).code),
     ).resolves.toBe(code)
-    // The numeric HTTP status is carried on the error for explicit handling.
-    await expect(
-      assemble(ctx,{ model: 'deepseek-v4-flash', messages: [] })
-        .catch((error: unknown) => (error as LlmError).status),
-    ).resolves.toBe(status)
   })
 
   it('keeps the status-line message for JSON error bodies without a message', async () => {