Updated the Readme for the endpoints and core space states

README.md

@@ -27,4 +27,58 @@ The agent manages a queue of mixed emails and must perform below actions
 - Choosing actions i.e **respond**, **escalate** or **archive** accordingly
 - Provide correct category and urgency classification
 
-# TODO: Develop a structure for Observation and Action Space 
+## Observation Space
+
+```json
+{
+  "current_email": {
+    "id": "string",
+    "subject": "string",
+    "body": "string",
+    "sender": "string",
+    "sender_tier": "standard | vip",
+    "received_minutes_ago": "integer"
+  },
+  "email_queue": "array of Email (populated in support_session only)",
+  "processed_count": "integer",
+  "step_count": "integer",
+  "task_id": "string",
+  "task_description": "string",
+  "available_actions": ["classify", "respond", "escalate", "archive", "skip"],
+  "context": {
+    "max_steps": "integer",
+    "remaining_steps": "integer",
+    "queue_size": "integer"
+  }
+}
+```
+
+## Action Space
+
+```json
+{
+  "action_type": "classify | respond | escalate | archive | skip",
+  "category": "billing | technical | general | spam | account | feature_request",
+  "urgency": "high | medium | low",
+  "response_text": "string (for respond action)",
+  "escalation_reason": "string (for escalate action)",
+  "email_id": "string (for support_session — selects which email to process)"
+}
+```
+
+# Backend API 
+
+We will be using FastAPI as out backend framework, and we are adding end points addressed as per the mentioned requirements.
+
+## End Points
+
+| Method | Path | Description |
+|--------|------|-------------|
+| `POST` | `/reset?task_id=<id>` | Reset environment for a task, returns initial Observation |
+| `POST` | `/step` | Submit an Action, returns `{observation, reward, done, info}` |
+| `GET` | `/state` | Current environment state |
+| `GET` | `/tasks` | List all tasks with action schema |
+| `GET` | `/grader` | Current grader score (0.0–1.0) |
+| `POST` | `/baseline` | Run baseline agent and return scores for all tasks |
+
+