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/lib/chat-runtime.ts

@@ -40,6 +40,12 @@ export function createClientSessionState(
     messages,
     branch: '',
     cwd: '',
+    model: '',
+    provider: '',
+    reasoningEffort: '',
+    serviceTier: '',
+    fast: false,
+    yolo: false,
     busy: false,
     awaitingResponse: false,
     streamId: null,

apps/desktop/src/lib/model-status-label.test.ts

@@ -5,6 +5,8 @@ import { displayModelName, formatModelStatusLabel, reasoningEffortLabel } from '
 describe('model-status-label', () => {
   it('formats display names consistently', () => {
     expect(displayModelName('anthropic/claude-opus-4.8-fast')).toBe('Opus 4.8')
+    expect(displayModelName('openai/gpt-5.5-fast')).toBe('GPT-5.5')
+    expect(displayModelName('deepseek/deepseek-v4-pro-thinking')).toBe('Deepseek V4 Pro')
     expect(displayModelName('openai/gpt-5.5')).toBe('GPT-5.5')
   })