enable state management for v1/responses (#631)

* first commit with tests to enable state mamangement via memory

* fixed logs to follow the conversational flow a bit better

* added support for supabase

* added the state_storage_v1_responses flag, and use that to store state appropriately

* cleaned up logs and fixed issue with connectivity for llm gateway in weather forecast demo

* fixed mixed inputs from openai v1/responses api (#632)

* fixed mixed inputs from openai v1/responses api

* removing tracing from model-alias-rouing

* handling additional input types from openairs

---------

Co-authored-by: Salman Paracha <salmanparacha@MacBook-Pro-342.local>

* resolving PR comments

---------

Co-authored-by: Salman Paracha <salmanparacha@MacBook-Pro-342.local>

arch/arch_config_schema.yaml

@@ -331,6 +331,31 @@ properties:
       model:
         type: string
       additionalProperties: false
+  state_storage:
+    type: object
+    properties:
+      type:
+        type: string
+        enum:
+          - memory
+          - postgres
+      connection_string:
+        type: string
+        description: Required when type is postgres. Supports environment variable substitution using $VAR or ${VAR} syntax.
+    additionalProperties: false
+    required:
+      - type
+    # Note: connection_string is conditionally required based on type
+    # If type is 'postgres', connection_string must be provided
+    # If type is 'memory', connection_string is not needed
+    allOf:
+      - if:
+          properties:
+            type:
+              const: postgres
+        then:
+          required:
+            - connection_string
   prompt_guards:
     type: object
     properties:

arch/supervisord.conf

@@ -2,7 +2,7 @@
 nodaemon=true
 
 [program:brightstaff]
-command=sh -c "RUST_LOG=info /app/brightstaff 2>&1 | tee /var/log/brightstaff.log | while IFS= read -r line; do echo '[brightstaff]' \"$line\"; done"
+command=sh -c "envsubst < /app/arch_config_rendered.yaml > /app/arch_config_rendered.env_sub.yaml && RUST_LOG=debug ARCH_CONFIG_PATH_RENDERED=/app/arch_config_rendered.env_sub.yaml /app/brightstaff 2>&1 | tee /var/log/brightstaff.log | while IFS= read -r line; do echo '[brightstaff]' \"$line\"; done"
 stdout_logfile=/dev/stdout
 redirect_stderr=true
 stdout_logfile_maxbytes=0

arch/tools/cli/utils.py

@@ -148,6 +148,24 @@ def get_llm_provider_access_keys(arch_config_file):
             if access_key is not None:
                 access_key_list.append(access_key)
 
+    # Extract environment variables from state_storage.connection_string
+    state_storage = arch_config_yaml.get("state_storage_v1_responses")
+    if state_storage:
+        connection_string = state_storage.get("connection_string")
+        if connection_string and isinstance(connection_string, str):
+            # Extract all $VAR and ${VAR} patterns from connection string
+            import re
+
+            # Match both $VAR and ${VAR} patterns
+            pattern = r"\$\{?([A-Z_][A-Z0-9_]*)\}?"
+            matches = re.findall(pattern, connection_string)
+            for var in matches:
+                access_key_list.append(f"${var}")
+        else:
+            raise ValueError(
+                "Invalid connection string received in state_storage_v1_responses"
+            )
+
     return access_key_list