Introduce brand new CLI experience with tracing and quickstart (#724)

Release hardens tracing and routing: clearer CLI, modular internals, updated demos/docs/tests, and improved multi-agent reliability.

Co-authored-by: Adil Hafeez <adil.hafeez@gmail.com>

cli/planoai/templates/conversational_state_v1_responses.yaml

@@ -0,0 +1,25 @@
+version: v0.1
+
+listeners:
+  egress_traffic:
+    address: 0.0.0.0
+    port: 12000
+    message_format: openai
+    timeout: 30s
+
+llm_providers:
+
+  # OpenAI Models
+  - model: openai/gpt-5-mini-2025-08-07
+    access_key: $OPENAI_API_KEY
+    default: true
+
+    # Anthropic Models
+  - model: anthropic/claude-sonnet-4-20250514
+    access_key: $ANTHROPIC_API_KEY
+
+# State storage configuration for v1/responses API
+# Manages conversation state for multi-turn conversations
+state_storage:
+  # Type: memory | postgres
+  type: memory