UX: Update Thinker module pages with user-friendly text

- Prompts: Changed 'AI Prompts Management' to 'Prompt Library'
- Author Profiles: Changed to 'Writing Styles'
- Strategies: Changed 'Content Strategies' to 'Content Plans'
- Image Testing: Changed to 'Image Settings'
- Dashboard: Changed 'Thinker Dashboard' to 'Strategy Dashboard'

frontend/src/pages/Thinker/AuthorProfiles.tsx

@@ -109,9 +109,9 @@ export default function AuthorProfiles() {
 
   return (
     <div className="p-6">
-      <PageMeta title="Author Profiles" />
+      <PageMeta title="Writing Styles" />
       <PageHeader 
-        title="Author Profiles" 
+        title="Writing Styles" 
         badge={{ icon: <UserIcon />, color: 'blue' }}
         navigation={<ModuleNavigationTabs tabs={thinkerTabs} />}
       />

frontend/src/pages/Thinker/Dashboard.tsx

@@ -146,8 +146,8 @@ export default function ThinkerDashboard() {
 
   return (
     <>
-      <PageMeta title="Thinker Dashboard - IGNY8" description="Strategic OS and thinking engine" />
-      <PageHeader title="Thinker Dashboard" />
+      <PageMeta title="Strategy Dashboard - IGNY8" description="Manage your content strategy" />
+      <PageHeader title="Strategy Dashboard" />
 
       <div className="space-y-6">
         {/* Key Metrics */}

frontend/src/pages/Thinker/ImageTesting.tsx

@@ -15,9 +15,9 @@ export default function ImageTesting() {
 
   return (
     <>
-      <PageMeta title="Image Testing - IGNY8" description="AI image testing" />
+      <PageMeta title="Image Settings - IGNY8" description="Configure image generation" />
       <PageHeader 
-        title="Image Testing" 
+        title="Image Settings" 
         badge={{ icon: <ImageIcon />, color: 'indigo' }}
         navigation={<ModuleNavigationTabs tabs={thinkerTabs} />}
       />

frontend/src/pages/Thinker/Prompts.tsx

@@ -209,9 +209,9 @@ export default function Prompts() {
 
   return (
     <>
-      <PageMeta title="Prompts - IGNY8" description="AI prompts management" />
+      <PageMeta title="Prompt Library - IGNY8" description="Manage your AI writing prompts" />
       <PageHeader 
-        title="AI Prompts Management" 
+        title="Prompt Library" 
         badge={{ icon: <BoltIcon />, color: 'orange' }}
         navigation={<ModuleNavigationTabs tabs={thinkerTabs} />}
       />

frontend/src/pages/Thinker/Strategies.tsx

@@ -15,9 +15,9 @@ export default function Strategies() {
 
   return (
     <>
-      <PageMeta title="Strategies - IGNY8" description="Content strategies" />
+      <PageMeta title="Content Plans - IGNY8" description="Plan your content strategy" />
       <PageHeader 
-        title="Content Strategies" 
+        title="Content Plans" 
         badge={{ icon: <ShootingStarIcon />, color: 'purple' }}
         navigation={<ModuleNavigationTabs tabs={thinkerTabs} />}
       />