feat: 補齊規格缺漏（狀態列顯示思考程度、動漫層與主題色、萃取角色包可啟動）

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

hooks/register.tsx

@@ -1,6 +1,7 @@
 import type { Engine, Register } from 'claude-code'
 
-import { CHARACTERS, applyOverrides, findCharacter, personaSection } from './characters'
+import { CHARACTERS, applyOverrides, findCharacter, packToCharacter, personaSection, registerCharacters, themeColor } from './characters'
+import type { PackLike } from './characters'
 import type { Axes } from './characters'
 import { EXTRACT_COMMAND, runExtract } from './extractCommand'
 import { applyEvent, hearts, initialAffinity, stageName, stageVoice, dayKey } from './affinity'
@@ -242,6 +243,21 @@ async function quotaRemain($: Engine): Promise<number | undefined> {
 }
 
 
+// 讀 characters/index.json（外掛目錄內），把萃取產生的角色包註冊成可啟動的角色。
+async function loadPacks($: Engine): Promise<void> {
+  const dir = new URL('../characters/', import.meta.url).pathname
+  try {
+    if (!(await $.fs.exists(`${dir}index.json`))) return
+    const index = JSON.parse(await $.fs.read(`${dir}index.json`)) as { packs: { work: string; workName: string; slug: string }[] }
+    for (const i of index.packs) {
+      const pack = JSON.parse(await $.fs.read(`${dir}${i.work}/${i.slug}.json`)) as PackLike
+      registerCharacters([packToCharacter(pack, i.workName)])
+    }
+  } catch {
+    // 角色包損壞不影響內建角色。
+  }
+}
+
 export const register: Register = (on, options) => {
   const opt = options as Record<string, unknown>
   const flag = (k: string, d: boolean) => (typeof opt[k] === 'boolean' ? (opt[k] as boolean) : d)
@@ -252,6 +268,7 @@ export const register: Register = (on, options) => {
   let active: string | undefined
   let toolRegistered = false
   let route: Route | undefined
+  let lastPick: { model: ModelName; effort: Effort } | undefined
   let prefixed = false
   const holder: { sys?: Sys } = {}
   const wikiCommands = new Set<string>()
@@ -276,6 +293,7 @@ export const register: Register = (on, options) => {
 
   on('session.start', async ($, e, next) => {
     if (isEnabled) {
+      await loadPacks($)
       for (const c of CHARACTERS) {
         await $.command.register({ name: c.slug, description: `啟動《${c.work}》的${c.name}` })
       }
@@ -397,6 +415,7 @@ export const register: Register = (on, options) => {
       quotaRemain: await quotaRemain($),
       downgradeAt: num('downgradeAt', 15),
     })
+    lastPick = { model: pick.model, effort: pick.effort }
     return yield* next({ ...e, model: pick.model, effort: pick.effort })
   })
 
@@ -458,13 +477,13 @@ export const register: Register = (on, options) => {
     }
 
     const builders: Record<string, () => Promise<Segment['parts'] | undefined> | Segment['parts'] | undefined> = {
-      character: () => [{ text: c.name, color: 'cyan' }],
+      character: () => [{ text: c.name, color: themeColor(c) }],
       love: async () => {
         if (!flag('affinity', true) || !flag('showHearts', true)) return undefined
         const a = await loadAffinity($, c.slug)
         return [{ text: hearts(a.score), color: 'red' as const }]
       },
-      model: () => (model ? [{ text: model }] : undefined),
+      model: () => (model ? [{ text: lastPick && routingOn() ? `${model} · ${lastPick.effort}` : model }] : undefined),
       dir: () => (cwd ? [{ text: cwd.split('/').filter(Boolean).pop() ?? '/' }] : undefined),
       branch: () => (branch ? [{ text: `⎇ ${branch}` }] : undefined),
       '5h': () => quota('five_hour', '5h', false),