deploy
This commit is contained in:
a2a-platform
189
.a2a/agent.dsl.json
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189
.a2a/agent.dsl.json
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{
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"schema_version": "2026-06-04",
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"language": "python",
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"name": "self-healing-demo-v1",
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"description": "A live demonstration of bounded, auditable source self-repair.",
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"version": "0.1.0",
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"entrypoint": {
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"module": "agent",
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"class_name": "SelfHealingDemo",
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"function": null,
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"command": []
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},
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"skills": [
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{
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"name": "status",
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"description": "Return the current self-healing demo state.",
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"handler": "status",
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"tags": [],
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"scopes": [],
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"stream": false,
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"policy": {
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"timeout_seconds": null,
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"idempotent": false,
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"max_retries": 0,
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"cost_class": null,
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"allow_scope_expansion": false,
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"grant_mode": null,
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"grant_allow_patterns": [],
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"grant_deny_patterns": [],
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"grant_outputs_prefix": null,
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"grant_write_prefixes": [],
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"grant_ttl_seconds": null,
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"grant_run_timeout_seconds": null,
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"grant_approval_timeout_seconds": null,
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"grant_scope_approval_timeout_seconds": null
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},
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"input_schema": {
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"type": "object",
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"properties": {},
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"required": [],
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"additionalProperties": false
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},
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"output_schema": {
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"additionalProperties": true,
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"type": "object"
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}
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},
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{
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"name": "run",
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"description": "Run the demo workflow, including its controlled production failure.",
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"handler": "run",
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"tags": [],
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"scopes": [],
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"stream": false,
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"policy": {
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"timeout_seconds": null,
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"idempotent": false,
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"max_retries": 0,
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"cost_class": null,
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"allow_scope_expansion": false,
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"grant_mode": null,
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"grant_allow_patterns": [],
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"grant_deny_patterns": [],
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"grant_outputs_prefix": null,
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"grant_write_prefixes": [],
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"grant_ttl_seconds": null,
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"grant_run_timeout_seconds": null,
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"grant_approval_timeout_seconds": null,
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"grant_scope_approval_timeout_seconds": null
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},
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"input_schema": {
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"type": "object",
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"properties": {
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"scenario": {
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"type": "string"
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}
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},
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"required": [],
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"additionalProperties": false
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},
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"output_schema": {
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"additionalProperties": true,
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"type": "object"
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}
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}
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],
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"capabilities": {
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"self_healing": {
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"enabled": true,
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"consecutive_failures": 1,
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"window_seconds": 300,
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"cooldown_seconds": 300,
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"max_repairs_per_day": 2,
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"max_turns": 30,
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"deployment_timeout_seconds": 1800,
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"require_tests": true
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}
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},
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"input_modes": [
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"application/json"
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],
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"output_modes": [
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"application/json"
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],
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"required_secrets": [],
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"required_env": [],
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"consumer_setup": {
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"fields": []
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},
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"runtime": {
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"lifecycle": "ephemeral",
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"availability": "always_on",
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"state": "none",
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"sandbox": "microsandbox",
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"resources": {
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"cpu": "100m",
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"memory": "256Mi",
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"gpu": 0,
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"max_runtime_seconds": 120
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},
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"concurrency": 1,
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"egress": {
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"allow_hosts": [],
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"allow_internal_services": [],
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"deny_internet_by_default": true
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},
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"tools_used": [],
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"llm_provisioning": "platform",
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"pricing": {
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"price_per_call_usd": 0.0,
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"caller_pays_llm": false,
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"notes": ""
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},
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"wants_cp_jwt": false,
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"platform_resources": {
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"memory": null,
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"databases": [],
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"mailbox": null
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},
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"endpoints": [],
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"apt_packages": []
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},
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"template_lineage": null,
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"meta_agent_manifest": null,
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"state_schema": null,
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"workspace_access": {
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"enabled": false,
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"max_files": 0,
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"allowed_modes": [],
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"require_reason": true,
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"deny_patterns": [],
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"require_human_approval": false,
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"max_total_size_bytes": 104857600
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},
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"config_schema": {
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"description": "Default config model when an agent declares no config.",
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"properties": {},
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"title": "_EmptyConfig",
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"type": "object"
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},
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"auth": {
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"model": "a2a_pack.auth.NoAuth",
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"strategy": "public",
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"principal_schema": {
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"additionalProperties": false,
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"description": "Public agent: no caller identity required.",
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"properties": {},
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"title": "NoAuth",
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"type": "object"
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},
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"resolver": null,
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"required": false
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},
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"metadata": {
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"source": "python-a2a-pack",
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"project_manifest": {
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"name": "self-healing-demo-v1",
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"version": "0.1.0",
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"entrypoint": "agent:SelfHealingDemo",
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"frontend": {
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"path": "frontend",
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"build": "mkdir -p dist && cp index.html app.js styles.css dist/",
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"dist": "dist",
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"mount": "/",
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"auth": "public"
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}
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}
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}
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}
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27
a2a.yaml
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27
a2a.yaml
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name: self-healing-demo-v1
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description: A live demonstration of bounded, auditable source self-repair.
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version: 0.1.0
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entrypoint: agent:SelfHealingDemo
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expose:
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public: true
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self_healing:
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enabled: true
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consecutive_failures: 1
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window_seconds: 300
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cooldown_seconds: 300
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max_repairs_per_day: 2
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max_turns: 30
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deployment_timeout_seconds: 1800
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require_tests: true
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runtime:
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availability: always_on
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resources:
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cpu: 100m
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memory: 256Mi
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max_runtime_seconds: 120
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frontend:
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path: frontend
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build: mkdir -p dist && cp index.html app.js styles.css dist/
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dist: dist
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mount: /
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auth: public
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29
agent.py
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29
agent.py
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from __future__ import annotations
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from a2a_pack import A2AAgent, NoAuth, RunContext, skill
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class SelfHealingDemo(A2AAgent):
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name = "self-healing-demo-v1"
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description = "A live demonstration of bounded, auditable source self-repair."
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version = "0.1.0"
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@skill(description="Return the current self-healing demo state.")
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async def status(self, ctx: RunContext[NoAuth]) -> dict[str, object]:
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return {
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"ok": True,
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"agent": self.name,
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"message": "The agent is online. Trigger the controlled failure once to exercise repair.",
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}
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@skill(description="Run the demo workflow, including its controlled production failure.")
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async def run(
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self,
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ctx: RunContext[NoAuth],
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scenario: str = "normal",
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) -> dict[str, object]:
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if scenario == "controlled-failure":
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# Intentional smoke fixture: the regression test specifies the safe
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# result. The production self-healing worker must repair this source.
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raise RuntimeError("SELF_HEAL_SMOKE: controlled invoice total handler crashed")
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return {"ok": True, "scenario": scenario, "result": "healthy"}
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17
frontend/app.js
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17
frontend/app.js
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import { agent } from "/a2a-client.js";
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const button = document.querySelector("#trigger");
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const result = document.querySelector("#result");
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button.addEventListener("click", async () => {
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button.disabled = true;
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result.textContent = "Calling run(scenario=controlled-failure)…";
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try {
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const response = await agent.call("run", { scenario: "controlled-failure" });
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result.textContent = JSON.stringify(response, null, 2);
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} catch (error) {
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result.textContent = `Failure observed. The bounded repair should now be queued.\n\n${error.message}`;
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} finally {
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button.disabled = false;
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}
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});
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36
frontend/index.html
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36
frontend/index.html
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<meta name="description" content="A live A2A Cloud self-healing agent demonstration." />
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<title>Self-Healing Agent · A2A Cloud</title>
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<link rel="stylesheet" href="./styles.css" />
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</head>
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<body>
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<main>
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<div class="eyebrow"><span></span> LIVE PLATFORM DEMO</div>
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<h1>Software that repairs<br /><em>its own runtime failure.</em></h1>
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<p class="lede">
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This agent opts in through <code>a2a.yaml</code>. A real 500 error creates a bounded repair job,
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patches managed source, runs tests, and redeploys the exact commit—with the full trail in the app.
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</p>
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<section class="card">
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<div class="card-head">
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<div><small>SELF-HEALING POLICY</small><strong>Enabled</strong></div>
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<div class="pulse">READY</div>
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</div>
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<div class="policy">
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<div><span>Trigger</span><b>1 internal failure</b></div>
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<div><span>Cooldown</span><b>5 minutes</b></div>
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<div><span>Daily ceiling</span><b>2 repairs</b></div>
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<div><span>Promotion gate</span><b>Tests + exact SHA live</b></div>
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</div>
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<button id="trigger">Trigger controlled failure</button>
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<pre id="result">Waiting for a test run.</pre>
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</section>
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<p class="foot">Expected input and 4xx errors never mutate source. Credentials and user inputs stay out of repair evidence.</p>
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</main>
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<script type="module" src="./app.js"></script>
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</body>
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</html>
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24
frontend/styles.css
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24
frontend/styles.css
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:root { color-scheme: dark; font-family: Inter, ui-sans-serif, system-ui, sans-serif; background: #090b10; color: #edf1f7; }
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* { box-sizing: border-box; }
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body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 78% 15%, #16362d 0, transparent 30%), linear-gradient(145deg, #090b10, #0d1218); }
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main { width: min(920px, calc(100% - 40px)); margin: 0 auto; padding: 9vh 0 8vh; }
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.eyebrow { color: #7f8b9c; font-size: 11px; letter-spacing: .2em; display: flex; align-items: center; gap: 10px; }
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.eyebrow span { width: 8px; height: 8px; border-radius: 99px; background: #5dffb2; box-shadow: 0 0 22px #5dffb2; }
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h1 { margin: 28px 0 22px; font-size: clamp(48px, 8vw, 88px); line-height: .98; letter-spacing: -.055em; font-weight: 580; }
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h1 em { font-style: normal; color: #76efb5; }
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.lede { max-width: 760px; color: #aab4c2; font-size: clamp(17px, 2.2vw, 21px); line-height: 1.58; }
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code { color: #76efb5; }
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.card { margin-top: 48px; padding: 28px; border: 1px solid #27323e; border-radius: 18px; background: rgba(14, 18, 25, .82); box-shadow: 0 26px 80px #0008; }
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.card-head { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; }
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.card-head small { display: block; color: #728094; letter-spacing: .14em; }
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.card-head strong { display: block; margin-top: 8px; font-size: 28px; }
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.pulse { color: #67f6ad; border: 1px solid #32634d; background: #10281f; border-radius: 99px; padding: 8px 12px; font: 11px ui-monospace, monospace; }
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.policy { margin: 26px 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border: 1px solid #202a35; border-radius: 12px; overflow: hidden; }
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.policy div { padding: 16px; border: 1px solid #202a35; }
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.policy span { display: block; color: #728094; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
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.policy b { display: block; margin-top: 7px; font-size: 14px; }
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button { width: 100%; border: 0; border-radius: 10px; padding: 15px 18px; background: #70efb2; color: #07120d; font: 700 14px ui-monospace, monospace; cursor: pointer; }
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button:disabled { opacity: .5; cursor: wait; }
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pre { min-height: 74px; margin: 14px 0 0; padding: 16px; border-radius: 10px; background: #080a0e; color: #96a4b7; white-space: pre-wrap; overflow: auto; font-size: 12px; }
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.foot { color: #687588; font-size: 12px; margin-top: 20px; }
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@media (max-width: 620px) { .policy { grid-template-columns: 1fr; } .card { padding: 20px; } }
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3
requirements.txt
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3
requirements.txt
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@@ -0,0 +1,3 @@
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a2a-pack==0.1.113
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pytest>=8
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pytest-asyncio>=0.23
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21
tests/test_agent.py
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21
tests/test_agent.py
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@@ -0,0 +1,21 @@
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from __future__ import annotations
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import pytest
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from a2a_pack import LocalRunContext, NoAuth
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from agent import SelfHealingDemo
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@pytest.mark.asyncio
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async def test_controlled_failure_has_a_safe_result() -> None:
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agent = SelfHealingDemo()
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ctx = LocalRunContext(auth=NoAuth())
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result = await agent.run(ctx, scenario="controlled-failure")
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assert result == {
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"ok": True,
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"scenario": "controlled-failure",
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"result": "recovered",
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}
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