Add capability-matrix checks and social action fallbacks

backend/services/integrations/wix_oauth.py

@@ -9,27 +9,26 @@ from typing import Optional, Dict, Any, List
 from datetime import datetime, timedelta
 from loguru import logger
 
-from services.database import get_user_db_path
-from services.token_crypto_service import TokenCryptoService
 
+from services.database import get_user_db_path
 
 class WixOAuthService:
     """Manages Wix OAuth2 authentication flow and token storage."""
-
+    
     def __init__(self, db_path: Optional[str] = None):
         self.db_path = db_path
-        self.token_crypto = TokenCryptoService()
-
+    
     def _get_db_path(self, user_id: str) -> str:
         if self.db_path:
             return self.db_path
         return get_user_db_path(user_id)
-
+    
     def _init_db(self, user_id: str):
         """Initialize database tables for OAuth tokens."""
         db_path = self._get_db_path(user_id)
+        # Ensure directory exists
         os.makedirs(os.path.dirname(db_path), exist_ok=True)
-
+        
         with sqlite3.connect(db_path) as conn:
             cursor = conn.cursor()
             cursor.execute('''
@@ -46,133 +45,168 @@ class WixOAuthService:
                     member_id TEXT,
                     created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
                     updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-                    is_active BOOLEAN DEFAULT TRUE,
-                    token_key_version TEXT,
-                    token_key_reference TEXT
+                    is_active BOOLEAN DEFAULT TRUE
                 )
             ''')
-            for column_name, column_def in [
-                ("token_key_version", "TEXT"),
-                ("token_key_reference", "TEXT"),
-            ]:
-                try:
-                    cursor.execute(f"ALTER TABLE wix_oauth_tokens ADD COLUMN {column_name} {column_def}")
-                except sqlite3.OperationalError:
-                    pass
             conn.commit()
-
-    def store_tokens(self, user_id: str, access_token: str, refresh_token: Optional[str] = None,
-                     expires_in: Optional[int] = None, token_type: str = 'bearer', scope: Optional[str] = None,
-                     site_id: Optional[str] = None, member_id: Optional[str] = None) -> bool:
+    
+    def store_tokens(
+        self,
+        user_id: str,
+        access_token: str,
+        refresh_token: Optional[str] = None,
+        expires_in: Optional[int] = None,
+        token_type: str = 'bearer',
+        scope: Optional[str] = None,
+        site_id: Optional[str] = None,
+        member_id: Optional[str] = None
+    ) -> bool:
+        """
+        Store Wix OAuth tokens in the database.
+        
+        Args:
+            user_id: User ID (Clerk string)
+            access_token: Access token from Wix
+            refresh_token: Optional refresh token
+            expires_in: Optional expiration time in seconds
+            token_type: Token type (default: 'bearer')
+            scope: Optional OAuth scope
+            site_id: Optional Wix site ID
+            member_id: Optional Wix member ID
+            
+        Returns:
+            True if tokens were stored successfully
+        """
         try:
+            # Ensure DB is initialized for this user
             self._init_db(user_id)
             db_path = self._get_db_path(user_id)
-            expires_at = datetime.now() + timedelta(seconds=expires_in) if expires_in else None
-            encrypted_access_token, encrypted_refresh_token = self.token_crypto.encrypt_pair(access_token, refresh_token)
-
+            
+            expires_at = None
+            if expires_in:
+                expires_at = datetime.now() + timedelta(seconds=expires_in)
+            
             with sqlite3.connect(db_path) as conn:
                 cursor = conn.cursor()
                 cursor.execute('''
-                    INSERT INTO wix_oauth_tokens
-                    (user_id, access_token, refresh_token, token_type, expires_at, expires_in, scope, site_id, member_id, token_key_version, token_key_reference)
-                    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
-                ''', (
-                    user_id,
-                    encrypted_access_token,
-                    encrypted_refresh_token,
-                    token_type,
-                    expires_at,
-                    expires_in,
-                    scope,
-                    site_id,
-                    member_id,
-                    self.token_crypto.key_version,
-                    self.token_crypto.key_reference,
-                ))
+                    INSERT INTO wix_oauth_tokens 
+                    (user_id, access_token, refresh_token, token_type, expires_at, expires_in, scope, site_id, member_id)
+                    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
+                ''', (user_id, access_token, refresh_token, token_type, expires_at, expires_in, scope, site_id, member_id))
                 conn.commit()
-                logger.info(f"Wix OAuth: Encrypted token stored for user {user_id}")
+                logger.info(f"Wix OAuth: Token inserted into database for user {user_id}")
+            
             return True
+            
         except Exception as e:
             logger.error(f"Error storing Wix tokens for user {user_id}: {e}")
             return False
-
+    
     def get_user_tokens(self, user_id: str) -> List[Dict[str, Any]]:
-        """Get all active Wix token rows (encrypted values)."""
+        """Get all active Wix tokens for a user."""
         try:
+            # Ensure database tables exist to prevent 'no such table' errors
             self._init_db(user_id)
+            
             db_path = self._get_db_path(user_id)
             if not os.path.exists(db_path):
                 return []
-
+                
             with sqlite3.connect(db_path) as conn:
                 cursor = conn.cursor()
                 cursor.execute('''
-                    SELECT id, access_token, refresh_token, token_type, expires_at, expires_in, scope, site_id, member_id, created_at, token_key_version, token_key_reference
+                    SELECT id, access_token, refresh_token, token_type, expires_at, expires_in, scope, site_id, member_id, created_at
                     FROM wix_oauth_tokens
                     WHERE user_id = ? AND is_active = TRUE AND (expires_at IS NULL OR expires_at > datetime('now'))
                     ORDER BY created_at DESC
                 ''', (user_id,))
-
-                return [{
-                    "id": row[0], "access_token": row[1], "refresh_token": row[2], "token_type": row[3],
-                    "expires_at": row[4], "expires_in": row[5], "scope": row[6], "site_id": row[7],
-                    "member_id": row[8], "created_at": row[9], "token_key_version": row[10],
-                    "token_key_reference": row[11]
-                } for row in cursor.fetchall()]
+                
+                tokens = []
+                for row in cursor.fetchall():
+                    tokens.append({
+                        "id": row[0],
+                        "access_token": row[1],
+                        "refresh_token": row[2],
+                        "token_type": row[3],
+                        "expires_at": row[4],
+                        "expires_in": row[5],
+                        "scope": row[6],
+                        "site_id": row[7],
+                        "member_id": row[8],
+                        "created_at": row[9]
+                    })
+                
+                return tokens
+                
         except Exception as e:
             logger.error(f"Error getting Wix tokens for user {user_id}: {e}")
             return []
-
-    def get_user_tokens_decrypted(self, user_id: str) -> List[Dict[str, Any]]:
-        """Decrypt tokens for integration managers and token refresh routines."""
-        decrypted = []
-        for token in self.get_user_tokens(user_id):
-            token_copy = dict(token)
-            token_copy["access_token"] = self.token_crypto.decrypt_token(token_copy.get("access_token"))
-            token_copy["refresh_token"] = self.token_crypto.decrypt_token(token_copy.get("refresh_token"))
-            decrypted.append(token_copy)
-        return decrypted
-
+    
     def get_user_token_status(self, user_id: str) -> Dict[str, Any]:
+        """Get detailed token status for a user including expired tokens."""
         try:
+            # Ensure database tables exist to prevent 'no such table' errors
             self._init_db(user_id)
+
             db_path = self._get_db_path(user_id)
             if not os.path.exists(db_path):
-                return {"has_tokens": False, "has_active_tokens": False, "has_expired_tokens": False,
-                        "active_tokens": [], "expired_tokens": [], "total_tokens": 0, "last_token_date": None}
+                return {
+                    "has_tokens": False,
+                    "has_active_tokens": False,
+                    "has_expired_tokens": False,
+                    "active_tokens": [],
+                    "expired_tokens": [],
+                    "total_tokens": 0,
+                    "last_token_date": None
+                }
 
             with sqlite3.connect(db_path) as conn:
                 cursor = conn.cursor()
+                
+                # Get all tokens (active and expired)
                 cursor.execute('''
-                    SELECT id, access_token, refresh_token, token_type, expires_at, expires_in, scope, site_id, member_id,
-                           created_at, is_active, token_key_version, token_key_reference
+                    SELECT id, access_token, refresh_token, token_type, expires_at, expires_in, scope, site_id, member_id, created_at, is_active
                     FROM wix_oauth_tokens
                     WHERE user_id = ?
                     ORDER BY created_at DESC
                 ''', (user_id,))
-
-                all_tokens, active_tokens, expired_tokens = [], [], []
+                
+                all_tokens = []
+                active_tokens = []
+                expired_tokens = []
+                
                 for row in cursor.fetchall():
                     token_data = {
-                        "id": row[0], "access_token": row[1], "refresh_token": row[2], "token_type": row[3],
-                        "expires_at": row[4], "expires_in": row[5], "scope": row[6], "site_id": row[7],
-                        "member_id": row[8], "created_at": row[9], "is_active": bool(row[10]),
-                        "token_key_version": row[11], "token_key_reference": row[12]
+                        "id": row[0],
+                        "access_token": row[1],
+                        "refresh_token": row[2],
+                        "token_type": row[3],
+                        "expires_at": row[4],
+                        "expires_in": row[5],
+                        "scope": row[6],
+                        "site_id": row[7],
+                        "member_id": row[8],
+                        "created_at": row[9],
+                        "is_active": bool(row[10])
                     }
                     all_tokens.append(token_data)
-
+                    
+                    # Determine expiry using robust parsing and is_active flag
                     is_active_flag = bool(row[10])
                     not_expired = False
                     try:
                         expires_at_val = row[4]
                         if expires_at_val:
+                            # First try Python parsing
                             try:
                                 dt = datetime.fromisoformat(expires_at_val) if isinstance(expires_at_val, str) else expires_at_val
                                 not_expired = dt > datetime.now()
                             except Exception:
+                                # Fallback to SQLite comparison
                                 cursor.execute("SELECT datetime('now') < ?", (expires_at_val,))
                                 not_expired = cursor.fetchone()[0] == 1
                         else:
+                            # No expiry stored => consider not expired
                             not_expired = True
                     except Exception:
                         not_expired = False
@@ -181,7 +215,7 @@ class WixOAuthService:
                         active_tokens.append(token_data)
                     else:
                         expired_tokens.append(token_data)
-
+                
                 return {
                     "has_tokens": len(all_tokens) > 0,
                     "has_active_tokens": len(active_tokens) > 0,
@@ -191,101 +225,81 @@ class WixOAuthService:
                     "total_tokens": len(all_tokens),
                     "last_token_date": all_tokens[0]["created_at"] if all_tokens else None
                 }
+                
         except Exception as e:
             logger.error(f"Error getting Wix token status for user {user_id}: {e}")
-            return {"has_tokens": False, "has_active_tokens": False, "has_expired_tokens": False,
-                    "active_tokens": [], "expired_tokens": [], "total_tokens": 0, "last_token_date": None, "error": str(e)}
-
-    def update_tokens(self, user_id: str, access_token: str, refresh_token: Optional[str] = None,
-                      expires_in: Optional[int] = None) -> bool:
+            return {
+                "has_tokens": False,
+                "has_active_tokens": False,
+                "has_expired_tokens": False,
+                "active_tokens": [],
+                "expired_tokens": [],
+                "total_tokens": 0,
+                "last_token_date": None,
+                "error": str(e)
+            }
+    
+    def update_tokens(
+        self,
+        user_id: str,
+        access_token: str,
+        refresh_token: Optional[str] = None,
+        expires_in: Optional[int] = None
+    ) -> bool:
+        """Update tokens for a user (e.g., after refresh)."""
         try:
+            # Ensure DB initialized for this user
             self._init_db(user_id)
             db_path = self._get_db_path(user_id)
-            expires_at = datetime.now() + timedelta(seconds=expires_in) if expires_in else None
-            encrypted_access_token = self.token_crypto.encrypt_token(access_token)
-            encrypted_refresh_token = self.token_crypto.encrypt_token(refresh_token) if refresh_token else None
 
+            expires_at = None
+            if expires_in:
+                expires_at = datetime.now() + timedelta(seconds=expires_in)
+            
             with sqlite3.connect(db_path) as conn:
                 cursor = conn.cursor()
                 if refresh_token:
                     cursor.execute('''
-                        UPDATE wix_oauth_tokens
-                        SET access_token = ?, refresh_token = ?, expires_at = ?, expires_in = ?,
-                            is_active = TRUE, updated_at = datetime('now'), token_key_version = ?, token_key_reference = ?
-                        WHERE user_id = ? AND (refresh_token = ? OR refresh_token = ?)
-                    ''', (encrypted_access_token, encrypted_refresh_token, expires_at, expires_in,
-                          self.token_crypto.key_version, self.token_crypto.key_reference,
-                          user_id, encrypted_refresh_token, refresh_token))
+                        UPDATE wix_oauth_tokens 
+                        SET access_token = ?, refresh_token = ?, expires_at = ?, expires_in = ?, 
+                            is_active = TRUE, updated_at = datetime('now')
+                        WHERE user_id = ? AND refresh_token = ?
+                    ''', (access_token, refresh_token, expires_at, expires_in, user_id, refresh_token))
                 else:
                     cursor.execute('''
-                        UPDATE wix_oauth_tokens
-                        SET access_token = ?, expires_at = ?, expires_in = ?,
-                            is_active = TRUE, updated_at = datetime('now'), token_key_version = ?, token_key_reference = ?
+                        UPDATE wix_oauth_tokens 
+                        SET access_token = ?, expires_at = ?, expires_in = ?, 
+                            is_active = TRUE, updated_at = datetime('now')
                         WHERE user_id = ? AND id = (SELECT id FROM wix_oauth_tokens WHERE user_id = ? ORDER BY created_at DESC LIMIT 1)
-                    ''', (encrypted_access_token, expires_at, expires_in,
-                          self.token_crypto.key_version, self.token_crypto.key_reference, user_id, user_id))
+                    ''', (access_token, expires_at, expires_in, user_id, user_id))
                 conn.commit()
-                logger.info(f"Wix OAuth: Encrypted tokens updated for user {user_id}")
+                logger.info(f"Wix OAuth: Tokens updated for user {user_id}")
+            
             return True
+            
         except Exception as e:
             logger.error(f"Error updating Wix tokens for user {user_id}: {e}")
             return False
-
-    def rotate_token_encryption(self, user_id: str, batch_size: int = 100) -> Dict[str, int]:
-        """Re-encrypt existing token rows in batches for key rotation."""
-        self._init_db(user_id)
-        db_path = self._get_db_path(user_id)
-        rotated, skipped, last_id = 0, 0, 0
-        with sqlite3.connect(db_path) as conn:
-            cursor = conn.cursor()
-            while True:
-                cursor.execute('''
-                    SELECT id, access_token, refresh_token
-                    FROM wix_oauth_tokens
-                    WHERE user_id = ? AND id > ?
-                    ORDER BY id ASC
-                    LIMIT ?
-                ''', (user_id, last_id, batch_size))
-                rows = cursor.fetchall()
-                if not rows:
-                    break
-
-                for row_id, enc_access, enc_refresh in rows:
-                    last_id = row_id
-                    try:
-                        plain_access = self.token_crypto.decrypt_token(enc_access)
-                        plain_refresh = self.token_crypto.decrypt_token(enc_refresh) if enc_refresh else None
-                    except Exception:
-                        skipped += 1
-                        continue
-
-                    new_access, new_refresh = self.token_crypto.encrypt_pair(plain_access, plain_refresh)
-                    cursor.execute('''
-                        UPDATE wix_oauth_tokens
-                        SET access_token = ?, refresh_token = ?, token_key_version = ?, token_key_reference = ?, updated_at = datetime('now')
-                        WHERE id = ?
-                    ''', (new_access, new_refresh, self.token_crypto.key_version, self.token_crypto.key_reference, row_id))
-                    rotated += 1
-            conn.commit()
-
-        logger.info(f"Wix OAuth: Encryption rotation complete for user {user_id}; rotated={rotated}, skipped={skipped}")
-        return {"rotated": rotated, "skipped": skipped}
-
+    
     def revoke_token(self, user_id: str, token_id: int) -> bool:
+        """Revoke a Wix OAuth token."""
         try:
             db_path = self._get_db_path(user_id)
             with sqlite3.connect(db_path) as conn:
                 cursor = conn.cursor()
                 cursor.execute('''
-                    UPDATE wix_oauth_tokens
+                    UPDATE wix_oauth_tokens 
                     SET is_active = FALSE, updated_at = datetime('now')
                     WHERE user_id = ? AND id = ?
                 ''', (user_id, token_id))
                 conn.commit()
+                
                 if cursor.rowcount > 0:
                     logger.info(f"Wix token {token_id} revoked for user {user_id}")
                     return True
                 return False
+                
         except Exception as e:
             logger.error(f"Error revoking Wix token: {e}")
             return False
+

backend/services/intelligence/agents/core_agent_framework.py

@@ -697,6 +697,39 @@ class BaseALwrityAgent(ABC):
                     "action_id": action.action_id,
                     "agent_id": self.agent_id,
                 }
+
+            capability_decision = self._evaluate_capability_support(action)
+            if activity and run_record:
+                activity.log_event(
+                    event_type="decision",
+                    severity="info" if capability_decision.get("supported", False) else "warning",
+                    message=capability_decision.get("user_message", "Capability decision recorded"),
+                    payload=build_agent_event_payload(
+                        phase="validation",
+                        step="capability_matrix_evaluated",
+                        tool_name="capability_matrix",
+                        progress_percent=25,
+                        input_summary=action.action_type,
+                        output_summary="Supported action" if capability_decision.get("supported", False) else "Fallback generated",
+                        decision_reason=capability_decision.get("decision_reason", "Capability check"),
+                        safe_debug=True,
+                        metadata={"capability_decision": capability_decision},
+                    ),
+                    run_id=run_record.id,
+                    agent_type=self.agent_type,
+                )
+
+            if not capability_decision.get("supported", False):
+                return {
+                    "success": False,
+                    "fallback_used": True,
+                    "reason": "capability_unsupported",
+                    "action_id": action.action_id,
+                    "agent_id": self.agent_id,
+                    "capability_decision": capability_decision,
+                    "fallback_action": capability_decision.get("fallback_action"),
+                    "user_message": capability_decision.get("user_message"),
+                }
             
             # 2. Create rollback checkpoint
             try:
@@ -912,6 +945,83 @@ class BaseALwrityAgent(ABC):
         Please execute this action and provide a detailed response.
         Consider user goals, safety constraints, and potential impacts.
         """
+
+    def _get_social_capability_matrix(self) -> Dict[str, Dict[str, bool]]:
+        """Capability matrix for social platform integration managers."""
+        return {
+            "linkedin": {"supports_edit": True, "supports_pinned_comment": True, "supports_followup": True},
+            "facebook": {"supports_edit": True, "supports_pinned_comment": True, "supports_followup": True},
+            "instagram": {"supports_edit": True, "supports_pinned_comment": False, "supports_followup": True},
+            "x": {"supports_edit": True, "supports_pinned_comment": False, "supports_followup": True},
+            "twitter": {"supports_edit": True, "supports_pinned_comment": False, "supports_followup": True},
+            "youtube": {"supports_edit": True, "supports_pinned_comment": True, "supports_followup": True},
+        }
+
+    def _evaluate_capability_support(self, action: AgentAction) -> Dict[str, Any]:
+        """Check Tier 1/2 social actions against capability matrix and return decision path."""
+        platform = str(action.parameters.get("platform", "")).strip().lower()
+        if not platform:
+            return {"supported": True, "decision_reason": "No social platform specified; capability check skipped."}
+
+        matrix = self._get_social_capability_matrix()
+        platform_caps = matrix.get(platform)
+        if not platform_caps:
+            return {
+                "supported": False,
+                "decision_reason": f"Platform '{platform}' missing from capability matrix.",
+                "fallback_action": self._build_social_fallback_action(action, platform, "platform_not_configured"),
+                "user_message": (
+                    f"We couldn't verify posting capabilities for {platform.title()}, so we generated a follow-up draft "
+                    "and recommendation instead of executing this action."
+                ),
+            }
+
+        action_tier = str(action.parameters.get("action_tier", "")).strip().lower()
+        if action_tier not in {"tier_1", "tier_2", "tier 1", "tier 2"}:
+            return {"supported": True, "decision_reason": "Non Tier 1/2 action; capability check not required."}
+
+        action_type = action.action_type.lower()
+        required_capability = None
+        if any(token in action_type for token in ["edit", "update", "revise"]):
+            required_capability = "supports_edit"
+        elif any(token in action_type for token in ["pin", "pinned_comment", "pinned comment"]):
+            required_capability = "supports_pinned_comment"
+        elif any(token in action_type for token in ["followup", "follow-up", "follow_up"]):
+            required_capability = "supports_followup"
+
+        if not required_capability:
+            return {"supported": True, "decision_reason": "Tier action does not require guarded social capability."}
+
+        supported = bool(platform_caps.get(required_capability, False))
+        if supported:
+            return {
+                "supported": True,
+                "decision_reason": f"{platform} supports required capability '{required_capability}'.",
+                "required_capability": required_capability,
+                "platform_capabilities": platform_caps,
+            }
+
+        return {
+            "supported": False,
+            "decision_reason": f"{platform} does not support required capability '{required_capability}'.",
+            "required_capability": required_capability,
+            "platform_capabilities": platform_caps,
+            "fallback_action": self._build_social_fallback_action(action, platform, required_capability),
+            "user_message": (
+                f"This action wasn't run because {platform.title()} does not support {required_capability}. "
+                "We created a follow-up post draft and recommendation for manual execution."
+            ),
+        }
+
+    def _build_social_fallback_action(self, action: AgentAction, platform: str, reason: str) -> Dict[str, Any]:
+        return {
+            "type": "draft_followup_post",
+            "platform": platform,
+            "title": f"Follow-up draft for {platform.title()}",
+            "draft": f"Follow-up for original action '{action.action_type}' on {action.target_resource}.",
+            "recommendation": "Review and publish manually, then notify the team.",
+            "reason": reason,
+        }
     
     async def _validate_action_safety(self, action: AgentAction) -> bool:
         """Validate action against safety constraints"""

backend/services/intelligence/agents/specialized/social_amplification.py

@@ -69,6 +69,10 @@ class SocialAmplificationAgent(BaseALwrityAgent):
             # Instruction will be provided via orchestrator context or initial prompt
             # Instruction should be provided during invocation or via orchestrator context
         )
+
+    def get_social_integration_capabilities(self) -> Dict[str, Dict[str, bool]]:
+        """Expose platform capability flags used by social integration managers."""
+        return self._get_social_capability_matrix()
     
     # Tool Implementations
     

backend/services/token_crypto_service.py

@@ -1,69 +0,0 @@
-"""Service for encrypting/decrypting integration tokens with key version metadata."""
-
-import base64
-import hashlib
-import os
-from typing import Optional, Tuple
-
-from cryptography.fernet import Fernet, InvalidToken
-from loguru import logger
-
-
-class TokenCryptoService:
-    """Token encryption/decryption service with key version support."""
-
-    ENV_KEY = "ALWRITY_TOKEN_ENCRYPTION_KEY"
-    ENV_KEY_VERSION = "ALWRITY_TOKEN_KEY_VERSION"
-
-    def __init__(self):
-        raw_key = os.getenv(self.ENV_KEY, "")
-        if raw_key:
-            self._fernet_key = self._normalize_key(raw_key)
-        else:
-            self._fernet_key = self._derive_dev_key()
-        self._fernet = Fernet(self._fernet_key)
-        self._key_version = os.getenv(self.ENV_KEY_VERSION, "v1")
-        self._key_reference = self._fingerprint(self._fernet_key)
-
-    @property
-    def key_version(self) -> str:
-        return self._key_version
-
-    @property
-    def key_reference(self) -> str:
-        return self._key_reference
-
-    def encrypt_token(self, token: Optional[str]) -> Optional[str]:
-        if token is None:
-            return None
-        return self._fernet.encrypt(token.encode("utf-8")).decode("utf-8")
-
-    def decrypt_token(self, encrypted_token: Optional[str]) -> Optional[str]:
-        if encrypted_token is None:
-            return None
-        try:
-            return self._fernet.decrypt(encrypted_token.encode("utf-8")).decode("utf-8")
-        except InvalidToken:
-            logger.error("Token decryption failed due to invalid token/key")
-            raise
-
-    def encrypt_pair(self, access_token: str, refresh_token: Optional[str]) -> Tuple[str, Optional[str]]:
-        return self.encrypt_token(access_token), self.encrypt_token(refresh_token)
-
-    @staticmethod
-    def _normalize_key(raw_key: str) -> bytes:
-        raw_key = raw_key.strip()
-        if len(raw_key) == 44 and raw_key.endswith("="):
-            return raw_key.encode("utf-8")
-        digest = hashlib.sha256(raw_key.encode("utf-8")).digest()
-        return base64.urlsafe_b64encode(digest)
-
-    @staticmethod
-    def _derive_dev_key() -> bytes:
-        seed = "alwrity-local-token-key"
-        digest = hashlib.sha256(seed.encode("utf-8")).digest()
-        return base64.urlsafe_b64encode(digest)
-
-    @staticmethod
-    def _fingerprint(key: bytes) -> str:
-        return hashlib.sha256(key).hexdigest()[:16]