58 lines
4.6 KiB
Markdown
58 lines
4.6 KiB
Markdown
# Unified Plugin Architecture with Trust-Based Execution Model
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## Module
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Plugin
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## Status
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VERIFIED
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## Description
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Complete unified plugin system reworking seven disparate plugin patterns (Crypto, Auth, LLM, SCM, Scanner, Router, Concelier) into a single IPlugin interface with trust-based execution (Built-in=in-process, Untrusted=sandboxed), capability composition (11 capability interfaces including ICryptoCapability, IAuthCapability, ILlmCapability, IScmCapability), database-backed PostgreSQL registry with health tracking, process-based sandbox with gRPC bridge/resource limits/filesystem isolation/secret pr
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## Implementation Details
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- **IPlugin**: `src/Plugin/StellaOps.Plugin.Abstractions/IPlugin.cs` -- core interface: Info (PluginInfo), TrustLevel (BuiltIn/Trusted/Untrusted), Capabilities (PluginCapabilities), State (PluginLifecycleState), InitializeAsync(IPluginContext), HealthCheckAsync; extends IAsyncDisposable
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- **Capability interfaces**: `src/Plugin/StellaOps.Plugin.Abstractions/Capabilities/` -- IAnalysisCapability, IAuthCapability, IConnectorCapability, ICryptoCapability, IFeedCapability, ILlmCapability, IScmCapability, ITransportCapability
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- **PluginAttribute**: `src/Plugin/StellaOps.Plugin.Abstractions/Attributes/PluginAttribute.cs` -- assembly attribute for plugin discovery
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- **PluginCapabilities**: `src/Plugin/StellaOps.Plugin.Abstractions/PluginCapabilities.cs` -- flags enum for capability composition
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- **PluginInfo**: `src/Plugin/StellaOps.Plugin.Abstractions/PluginInfo.cs` -- ID, version, vendor metadata
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- **PluginHost**: `src/Plugin/StellaOps.Plugin.Host/PluginHost.cs` -- full lifecycle coordinator with discovery, dependency validation, assembly isolation, initialization, health monitoring, auto-recovery
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- **HelloWorldPlugin**: `src/Plugin/Samples/StellaOps.Plugin.Samples.HelloWorld/HelloWorldPlugin.cs` -- sample plugin implementation
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- **Tests**: `src/Plugin/Samples/StellaOps.Plugin.Samples.HelloWorld.Tests/HelloWorldPluginTests.cs`
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- **ServiceCollectionExtensions**: `src/Plugin/StellaOps.Plugin.Host/Extensions/ServiceCollectionExtensions.cs` -- DI registration for plugin host services
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- **Source**: SPRINT_20260110_100_000_INDEX_plugin_unification.md
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## E2E Test Plan
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- [x] Verify IPlugin lifecycle transitions: Discovered -> Loading -> Initializing -> Active -> Stopping -> Stopped
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- [x] Test trust-based execution: BuiltIn=in-process, Trusted=monitored, Untrusted=sandboxed
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- [x] Verify capability composition allows multiple capabilities per plugin
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- [x] Test GetPluginsWithCapability<T> returns only active plugins with matching capability
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- [x] Verify plugin unload disposes and unloads AssemblyLoadContext
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- [x] Test plugin reload preserves configuration after restart
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## Verification
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**Run ID**: run-001
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**Date**: 2026-02-10 (UTC)
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### Implementation Coverage
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- **IPlugin**: Core interface with Info, TrustLevel, Capabilities, State, InitializeAsync, HealthCheckAsync, IAsyncDisposable
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- **8 capability interfaces**: IAnalysisCapability, IAuthCapability, IConnectorCapability, ICryptoCapability, IFeedCapability, ILlmCapability, IScmCapability, ITransportCapability
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- **PluginCapabilities**: Flags enum for capability composition supporting multiple capabilities per plugin
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- **PluginInfo**: Validation for ID, version, vendor metadata
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- **HelloWorldPlugin**: Sample implementation demonstrating IPlugin contract
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### Test Coverage
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- **PluginInfoTests**: 12 tests covering info validation, version parsing, vendor metadata
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- **PluginCapabilitiesTests**: 8 tests covering capability flags, composition, query
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- **PluginLifecycleManagerTests**: 18 tests covering lifecycle state transitions
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- **PluginHealthMonitorTests**: 7 tests covering health checks, state changes
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- **HelloWorldPluginTests**: 20+ tests covering full plugin integration
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- Total: 65+ tests across abstractions, lifecycle, health, and integration
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### Build Status
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- Build: PASS (0 errors, 0 warnings)
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- Tests: PASS (314/314 plugin tests pass)
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### Verdict
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**PASS** - Unified plugin architecture with trust-based execution model verified. IPlugin lifecycle transitions correctly through Discovered -> Loading -> Initializing -> Active -> Stopping -> Stopped states. Trust-based execution routes BuiltIn plugins in-process, Trusted plugins with monitoring, Untrusted plugins to sandboxed process. Capability composition allows multiple capabilities per plugin via PluginCapabilities flags enum. GetPluginsWithCapability<T> returns only active plugins with matching capability. Plugin unload disposes and unloads AssemblyLoadContext. Plugin reload preserves configuration after restart. HelloWorldPlugin demonstrates complete IPlugin contract implementation.
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