fix(desktop): keep model runtime state per session (#43702)

* fix(desktop): keep model runtime state per session

(cherry picked from commit f72ee87d99ee38cb7b5badeb9a8af869bb92073a)

* fix(desktop): keep footer model state scoped to active session

(cherry picked from commit d91942ebd4671ff857b5c8526dbf133f04782ecb)

* fix(desktop): restore stored runtime when resuming sessions

(cherry picked from commit 32b3793418257617b8da57e26151f079c2620d00)

* fix(desktop): persist live runtime changes for resume

(cherry picked from commit c58467779436dcef44a80ad55b52664752dc0837)

* fix(desktop): persist resumed endpoint runtime

* chore(attribution): map pinguarmy's commit email in AUTHOR_MAP

The salvaged commits on this branch preserve @pinguarmy's authorship
(郝鹏宇 / peterhao@Peters-MacBook-Air.local). Add the mapping so the
check-attribution CI gate resolves the email to the GitHub username.

---------

Co-authored-by: 郝鹏宇 <peterhao@Peters-MacBook-Air.local>

apps/desktop/src/app/session/hooks/use-message-stream.ts

@@ -633,14 +633,21 @@ export function useMessageStream({
         const runningChanged = typeof payload?.running === 'boolean'
 
         if (apply) {
-          const runtimeInfo: { branch?: string; cwd?: string } = {}
+          const runtimeInfo: Partial<
+            Pick<
+              ClientSessionState,
+              'branch' | 'cwd' | 'fast' | 'model' | 'provider' | 'reasoningEffort' | 'serviceTier' | 'yolo'
+            >
+          > = {}
 
           if (modelChanged) {
             setCurrentModel(payload!.model || '')
+            runtimeInfo.model = payload!.model || ''
           }
 
           if (providerChanged) {
             setCurrentProvider(payload!.provider || '')
+            runtimeInfo.provider = payload!.provider || ''
           }
 
           if (typeof payload?.cwd === 'string') {
@@ -653,32 +660,32 @@ export function useMessageStream({
             runtimeInfo.branch = payload.branch
           }
 
-          if (sessionId && (runtimeInfo.cwd !== undefined || runtimeInfo.branch !== undefined)) {
-            updateSessionState(sessionId, state => ({
-              ...state,
-              branch: runtimeInfo.branch ?? state.branch,
-              cwd: runtimeInfo.cwd ?? state.cwd
-            }))
-          }
-
           if (typeof payload?.personality === 'string') {
             setCurrentPersonality(normalizePersonalityValue(payload.personality))
           }
 
           if (typeof payload?.reasoning_effort === 'string') {
             setCurrentReasoningEffort(payload.reasoning_effort)
+            runtimeInfo.reasoningEffort = payload.reasoning_effort
           }
 
           if (typeof payload?.service_tier === 'string') {
             setCurrentServiceTier(payload.service_tier)
+            runtimeInfo.serviceTier = payload.service_tier
           }
 
           if (typeof payload?.fast === 'boolean') {
             setCurrentFastMode(payload.fast)
+            runtimeInfo.fast = payload.fast
           }
 
           if (typeof payload?.yolo === 'boolean') {
             setYoloActive(payload.yolo)
+            runtimeInfo.yolo = payload.yolo
+          }
+
+          if (sessionId && Object.keys(runtimeInfo).length > 0) {
+            updateSessionState(sessionId, state => ({ ...state, ...runtimeInfo }))
           }
 
           if (runningChanged && sessionId) {