Implement session outcomes, step timing, and live timer fixes

backend/app/schemas/session.py

@@ -3,6 +3,8 @@ from typing import Optional, Any, Literal
 from uuid import UUID
 from pydantic import BaseModel, Field, validator
 
+SessionOutcome = Literal["resolved", "escalated", "workaround", "unresolved"]
+
 
 class CustomStepSchema(BaseModel):
     """Enhanced custom step with source tracking.
@@ -28,6 +30,9 @@ class DecisionRecord(BaseModel):
     notes: Optional[str] = None
     automation_used: Optional[bool] = False
     timestamp: datetime
+    entered_at: Optional[datetime] = None
+    exited_at: Optional[datetime] = None
+    duration_seconds: Optional[int] = Field(None, ge=0)
     attachments: list[str] = Field(default_factory=list)
 
 
@@ -57,6 +62,8 @@ class SessionResponse(BaseModel):
     custom_steps: list[dict[str, Any]] = Field(default_factory=list)
     started_at: datetime
     completed_at: Optional[datetime] = None
+    outcome: Optional[SessionOutcome] = None
+    outcome_notes: Optional[str] = None
     ticket_number: Optional[str] = None
     client_name: Optional[str] = None
     exported: bool
@@ -77,6 +84,11 @@ class SessionExport(BaseModel):
     include_tree_info: bool = True
 
 
+class SessionComplete(BaseModel):
+    outcome: SessionOutcome
+    outcome_notes: Optional[str] = None
+
+
 class ScratchpadUpdate(BaseModel):
     scratchpad: str