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/coding_agent_routing.yaml

@@ -0,0 +1,43 @@
+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-5-2025-08-07
+    access_key: $OPENAI_API_KEY
+    routing_preferences:
+      - name: code generation
+        description: generating new code snippets, functions, or boilerplate based on user prompts or requirements
+
+  - model: openai/gpt-4.1-2025-04-14
+    access_key: $OPENAI_API_KEY
+    routing_preferences:
+      - name: code understanding
+        description: understand and explain existing code snippets, functions, or libraries
+  # Anthropic Models
+  - model: anthropic/claude-sonnet-4-5
+    default: true
+    access_key: $ANTHROPIC_API_KEY
+
+  - model: anthropic/claude-haiku-4-5
+    access_key: $ANTHROPIC_API_KEY
+
+  # Ollama Models
+  - model: ollama/llama3.1
+    base_url: http://host.docker.internal:11434
+
+
+# Model aliases - friendly names that map to actual provider names
+model_aliases:
+  # Alias for a small faster Claude model
+  arch.claude.code.small.fast:
+    target: claude-haiku-4-5
+
+tracing:
+  random_sampling: 100