Ship Assistent 0.14.1: Exact generate params and cheap park/warm.

Client always merges Exact turbo|raw steps/cfg/sigma before Generate so sparse LLM omissions and leftover SD 20/7 cannot stick; Ollama park/warm skip no-op /api/ps round-trips when the chat model is already unloaded or resident.

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

src/session.js

@@ -350,6 +350,64 @@ export function resolveTurnIntent(patch, userText, { vetoFn } = {}) {
   return { generate, look, vetoed, ask };
 }
 
+/** Params the client fills from Exact on Generate when the LLM omits them (sparse contract). */
+export const EXACT_GENERATE_PARAM_KEYS = ['steps', 'cfg', 'sigma_shift'];
+
+/**
+ * Turbo/RAW profile numbers from Exact — no sessionExact overlay.
+ * profileName should already reflect the live checkpoint (turbo vs raw).
+ */
+export function resolveExactProfileDefaults({ exact, profiles, profileName } = {}) {
+  const gen = exact?.generation && typeof exact.generation === 'object' ? exact.generation : {};
+  const profile = profileName || gen.profile || 'turbo';
+  const fromProfile = profiles?.[profile] && typeof profiles[profile] === 'object'
+    ? profiles[profile]
+    : {};
+  return {
+    profile,
+    steps: fromProfile.steps ?? gen.steps ?? null,
+    cfg: fromProfile.cfg ?? gen.cfg ?? null,
+    sigma_shift: fromProfile.sigma_shift ?? gen.sigma_shift ?? null,
+  };
+}
+
+/**
+ * On generate, inject Exact profile steps/cfg/sigma when the patch omitted them.
+ * Client is authoritative so sparse LLM deltas are safe. Honors explicit patch values
+ * and sessionExact when the user asked for params this turn.
+ * Returns clearSessionKeys so the UI apply path is not blocked by stale sessionExact.
+ */
+export function mergeExactParamsForGenerate(patch, {
+  exact,
+  profiles,
+  profileName,
+  sessionExact,
+  userParamIntent,
+} = {}) {
+  if (!patchWantsGenerate(patch)) {
+    return { patch, clearSessionKeys: [], profile: null };
+  }
+  const defaults = resolveExactProfileDefaults({ exact, profiles, profileName });
+  const out = { ...patch };
+  const clearSessionKeys = [];
+  for (const key of EXACT_GENERATE_PARAM_KEYS) {
+    if (out[key] != null) {
+      continue;
+    }
+    if (userParamIntent && sessionExact?.[key] != null) {
+      out[key] = sessionExact[key];
+      continue;
+    }
+    if (defaults[key] != null) {
+      out[key] = defaults[key];
+      if (sessionExact?.[key] != null && String(sessionExact[key]) !== String(defaults[key])) {
+        clearSessionKeys.push(key);
+      }
+    }
+  }
+  return { patch: out, clearSessionKeys, profile: defaults.profile };
+}
+
 export function attachSession(SA) {
   SA.session = {
     emptySession,
@@ -363,6 +421,9 @@ export function attachSession(SA) {
     compactContext,
     fullSettingsDump,
     resolveTurnIntent,
+    resolveExactProfileDefaults,
+    mergeExactParamsForGenerate,
+    EXACT_GENERATE_PARAM_KEYS,
     GEN_KEYS,
   };
 }