Harden Exact reconcile and soften post-Generate warm.

Overwrite foreign steps/cfg in sparse patches when the user did not ask for params, and skip the cold-load path when Ollama already has the chat model resident.

Co-authored-by: Cursor <cursoragent@cursor.com>

test/kreaProfile.test.js

@@ -68,7 +68,15 @@ describe('kreaProfile', () => {
     );
     // Intentional non-Exact patch value is kept.
     assert.deepEqual(
-      exactKeysToForce({ steps: 20, cfg: 7, sigma_shift: 1.15 }, turbo, { patch: { cfg: 7 } }),
+      exactKeysToForce({ steps: 20, cfg: 7, sigma_shift: 1.15 }, turbo, { patch: { cfg: 7 } }),
+      ['steps', 'cfg'],
+    );
+    assert.deepEqual(
+      exactKeysToForce(
+        { steps: 20, cfg: 7, sigma_shift: 1.15 },
+        turbo,
+        { patch: { cfg: 7 }, userParamIntent: true },
+      ),
       ['steps'],
     );
     assert.deepEqual(