feat: Fix vector indexing stability, add Gitea linking, enhance admin dashboard

app/routers/home.py

@@ -77,11 +77,14 @@ async def home_index(req: Request, lang: str = None):
     )
 
 @router.get("/about", response_class=HTMLResponse)
-async def home_about(req: Request):
+async def home_about(req: Request, lang: str = None):
     """
     About / Mission page.
     """
-    lang = req.session.get("lang", "de")
+    if lang is None:
+        lang = req.session.get("lang", "de")
+    
+    req.session["lang"] = lang
     translations = load_translations(lang)
 
     return req.app.state.render(
@@ -93,29 +96,45 @@ async def home_about(req: Request):
     )
 
 @router.get("/crew", response_class=HTMLResponse)
-async def home_crew(req: Request):
+async def home_crew(req: Request, lang: str = None):
     """
     Crew / Characters page.
     """
-    lang = req.session.get("lang", "de")
+    if lang is None:
+        lang = req.session.get("lang", "de")
+    
+    req.session["lang"] = lang
     translations = load_translations(lang)
-    characters = load_characters(lang)
+    
+    # Load roles from central config (15 roles)
+    from services.config_loader import ConfigLoader
+    from services.localization import merge_role_localization
+    
+    config = ConfigLoader.load_config()
+    # Merge localized content using service
+    characters = merge_role_localization(config.get('roles', {}), lang)
+    
+    user = req.session.get("user")
 
     return req.app.state.render(
         req,
         "home/crew.html",
         deployment=deployment_config,
-        characters=characters,
+        roles=characters,
         t=translations,
-        lang=lang
+        lang=lang,
+        user=user
     )
 
 @router.get("/hardware", response_class=HTMLResponse)
-async def home_hardware(req: Request):
+async def home_hardware(req: Request, lang: str = None):
     """
     Hardware information page.
     """
-    lang = req.session.get("lang", "de")
+    if lang is None:
+        lang = req.session.get("lang", "de")
+        
+    req.session["lang"] = lang
     translations = load_translations(lang)
 
     return req.app.state.render(
@@ -127,11 +146,14 @@ async def home_hardware(req: Request):
     )
 
 @router.get("/software", response_class=HTMLResponse)
-async def home_software(req: Request):
+async def home_software(req: Request, lang: str = None):
     """
     Software information page.
     """
-    lang = req.session.get("lang", "de")
+    if lang is None:
+        lang = req.session.get("lang", "de")
+        
+    req.session["lang"] = lang
     translations = load_translations(lang)
 
     return req.app.state.render(
@@ -143,11 +165,14 @@ async def home_software(req: Request):
     )
 
 @router.get("/impressum", response_class=HTMLResponse)
-async def home_impressum(req: Request):
+async def home_impressum(req: Request, lang: str = None):
     """
     Impressum / Legal notice page.
     """
-    lang = req.session.get("lang", "de")
+    if lang is None:
+        lang = req.session.get("lang", "de")
+        
+    req.session["lang"] = lang
     translations = load_translations(lang)
 
     return req.app.state.render(
@@ -159,11 +184,14 @@ async def home_impressum(req: Request):
     )
 
 @router.get("/datenschutz", response_class=HTMLResponse)
-async def home_datenschutz(req: Request):
+async def home_datenschutz(req: Request, lang: str = None):
     """
     Privacy policy / Datenschutz page.
     """
-    lang = req.session.get("lang", "de")
+    if lang is None:
+        lang = req.session.get("lang", "de")
+        
+    req.session["lang"] = lang
     translations = load_translations(lang)
 
     return req.app.state.render(