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1 | 1 | # Implementation Plan |
2 | 2 |
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3 | | -- [x] 1. Set up enhanced provider interfaces and base classes |
4 | | - - Create enhanced AIProvider interface with health monitoring and configuration validation methods |
5 | | - - Implement BaseProviderAdapter abstract class with common functionality |
6 | | - - Define standardized request/response models and error types |
7 | | - - _Requirements: 2.1, 2.2, 5.1, 5.2_ |
8 | | - |
9 | | -- [ ] 2. Implement core infrastructure components |
10 | | - - [ ] 2.1 Create HTTP client with timeout and error handling |
11 | | - - Write HttpClient class implementing the interface from lib/ai-providers/interfaces.ts |
12 | | - - Add timeout handling, request/response transformation, and error standardization |
13 | | - - _Requirements: 4.2, 3.2, 5.1_ |
14 | | - |
15 | | - - [ ] 2.2 Implement retry strategy with exponential backoff |
16 | | - - Code RetryStrategy class with configurable retry logic and backoff algorithms |
17 | | - - Add jitter and maximum retry limits to prevent thundering herd |
18 | | - - _Requirements: 4.2, 3.2_ |
19 | | - |
20 | | - - [ ] 2.3 Build circuit breaker for fault tolerance |
21 | | - - Code CircuitBreaker class with OPEN/CLOSED/HALF_OPEN states |
22 | | - - Implement failure threshold detection and automatic recovery logic |
23 | | - - _Requirements: 3.2, 4.1_ |
24 | | - |
25 | | - - [ ]* 2.4 Write unit tests for infrastructure components |
26 | | - - Create unit tests for HTTP client, retry strategy, and circuit breaker |
27 | | - - Test error scenarios, timeout handling, and state transitions |
28 | | - - _Requirements: 4.2, 3.2_ |
29 | | - |
30 | | -- [ ] 3. Implement configuration management system |
31 | | - - [ ] 3.1 Create configuration interfaces and loader |
32 | | - - Write ProviderConfig interface extensions and configuration validation |
33 | | - - Implement environment variable loading and configuration merging |
34 | | - - _Requirements: 1.1, 1.2, 1.3_ |
35 | | - |
36 | | - - [ ] 3.2 Build configuration manager with validation |
37 | | - - Code ConfigurationManager class with provider config management |
38 | | - - Implement API key validation, format checking, and runtime configuration updates |
39 | | - - _Requirements: 1.2, 1.3_ |
40 | | - |
41 | | - - [ ]* 3.3 Write unit tests for configuration management |
42 | | - - Create unit tests for configuration loading, validation, and error scenarios |
43 | | - - Test API key validation and environment variable handling |
44 | | - - _Requirements: 1.1, 1.2, 1.3_ |
45 | | - |
46 | | -- [ ] 4. Implement rate limiting and quota management |
47 | | - - [ ] 4.1 Create rate limiter with multiple limit types |
48 | | - - Write RateLimiter class supporting per-minute, per-hour, and per-day limits |
49 | | - - Implement token bucket algorithm for burst handling and sliding window counters |
50 | | - - _Requirements: 6.1, 6.2_ |
51 | | - |
52 | | - - [ ] 4.2 Add quota tracking and provider switching logic |
53 | | - - Code quota management with automatic provider switching when limits are reached |
54 | | - - Implement usage tracking, limit enforcement, and graceful degradation |
55 | | - - _Requirements: 6.3, 6.4_ |
56 | | - |
57 | | - - [ ]* 4.3 Write unit tests for rate limiting |
58 | | - - Create unit tests for rate limit enforcement, quota tracking, and provider switching |
59 | | - - Test burst handling, sliding windows, and edge cases |
60 | | - - _Requirements: 6.1, 6.2, 6.3_ |
61 | | - |
62 | | -- [ ] 5. Build health monitoring system |
63 | | - - [ ] 5.1 Implement provider health monitoring |
64 | | - - Write HealthMonitor class with periodic health checks and availability detection |
65 | | - - Code response time tracking, error rate calculation, and health status aggregation |
66 | | - - _Requirements: 4.1, 4.4_ |
67 | | - |
68 | | - - [ ] 5.2 Create metrics collection and storage |
69 | | - - Implement MetricsCollector for performance metrics, error rates, and usage statistics |
70 | | - - Code metrics aggregation, historical data management, and alerting thresholds |
71 | | - - _Requirements: 4.1, 4.4_ |
72 | | - |
73 | | - - [ ]* 5.3 Write unit tests for health monitoring |
74 | | - - Create unit tests for health check logic, metrics collection, and alerting |
75 | | - - Test failure detection, recovery scenarios, and metrics accuracy |
76 | | - - _Requirements: 4.1, 4.4_ |
77 | | - |
78 | | -- [ ] 6. Enhance existing provider implementations |
79 | | - - [ ] 6.1 Upgrade OpenAI provider with new architecture |
80 | | - - Refactor OpenAI provider to extend BaseProviderAdapter |
81 | | - - Implement actual OpenAI API calls replacing mock responses |
82 | | - - Add proper error handling and response transformation |
83 | | - - _Requirements: 2.1, 2.2, 3.1, 5.1_ |
84 | | - |
85 | | - - [ ] 6.2 Upgrade Gemini provider with new architecture |
86 | | - - Refactor Gemini provider to extend BaseProviderAdapter |
87 | | - - Implement actual Gemini API calls replacing mock responses |
88 | | - - Add proper error handling and response transformation |
89 | | - - _Requirements: 2.1, 2.2, 3.1, 5.1_ |
90 | | - |
91 | | - - [ ] 6.3 Upgrade Mistral provider with new architecture |
92 | | - - Refactor Mistral provider to extend BaseProviderAdapter |
93 | | - - Implement actual Mistral API calls replacing mock responses |
94 | | - - Add proper error handling and response transformation |
95 | | - - _Requirements: 2.1, 2.2, 3.1, 5.1_ |
96 | | - |
97 | | - - [ ] 6.4 Upgrade DeepSeek provider with new architecture |
98 | | - - Refactor DeepSeek provider to extend BaseProviderAdapter |
99 | | - - Implement actual DeepSeek API calls replacing mock responses |
100 | | - - Add proper error handling and response transformation |
101 | | - - _Requirements: 2.1, 2.2, 3.1, 5.1_ |
102 | | - |
103 | | - - [ ] 6.5 Upgrade Ditectrev provider with subscription validation |
104 | | - - Refactor Ditectrev provider to extend BaseProviderAdapter |
105 | | - - Implement subscription validation and premium AI service integration |
106 | | - - Add enhanced error handling for subscription-related errors |
107 | | - - _Requirements: 2.1, 2.2, 3.1, 5.1_ |
108 | | - |
109 | | - - [ ]* 6.6 Write integration tests for all providers |
110 | | - - Create integration tests for each provider implementation |
111 | | - - Test actual API connectivity and response handling |
112 | | - - _Requirements: 7.1, 7.2_ |
113 | | - |
114 | | -- [ ] 7. Create centralized AI service manager |
115 | | - - [ ] 7.1 Implement provider registry and selection logic |
116 | | - - Write ProviderRegistry class for managing available providers |
117 | | - - Code intelligent provider selection based on health and priority |
118 | | - - _Requirements: 1.4, 3.1, 3.2_ |
119 | | - |
120 | | - - [ ] 7.2 Build AI service manager with failover capabilities |
121 | | - - Code AIServiceManager class as central orchestrator |
122 | | - - Implement automatic failover and provider switching logic |
123 | | - - Add request routing and response standardization |
124 | | - - _Requirements: 3.1, 3.2, 3.3_ |
125 | | - |
126 | | - - [ ]* 7.3 Write unit tests for service manager |
127 | | - - Create unit tests for provider selection and failover logic |
128 | | - - Test request routing and error handling scenarios |
129 | | - - _Requirements: 3.1, 3.2, 3.3_ |
130 | | - |
131 | | -- [ ] 8. Add comprehensive error handling and logging |
132 | | - - [ ] 8.1 Implement structured error handling system |
133 | | - - Create APIError classes with proper error classification |
134 | | - - Code error transformation and standardization logic |
135 | | - - _Requirements: 4.1, 4.2, 4.3, 5.3_ |
136 | | - |
137 | | - - [ ] 8.2 Add comprehensive logging and monitoring |
138 | | - - Implement structured logging for all API interactions |
139 | | - - Code performance metrics collection and error tracking |
140 | | - - _Requirements: 4.1, 4.4_ |
141 | | - |
142 | | - - [ ]* 8.3 Write unit tests for error handling |
143 | | - - Create unit tests for error classification and handling |
144 | | - - Test logging and monitoring functionality |
145 | | - - _Requirements: 4.1, 4.2, 4.3_ |
146 | | - |
147 | | -- [ ] 9. Create testing framework and utilities |
148 | | - - [ ] 9.1 Build provider testing framework |
149 | | - - Write ProviderTestSuite interface and implementation |
150 | | - - Code automated testing for connectivity, authentication, and functionality |
151 | | - - _Requirements: 7.1, 7.2, 7.3_ |
152 | | - |
153 | | - - [ ] 9.2 Implement mock provider for testing |
154 | | - - Create MockAIProvider with configurable behavior |
155 | | - - Code test utilities for simulating various scenarios |
156 | | - - _Requirements: 7.4_ |
157 | | - |
158 | | - - [ ]* 9.3 Write comprehensive integration tests |
159 | | - - Create end-to-end integration tests for the complete system |
160 | | - - Test failover scenarios and error recovery |
161 | | - - _Requirements: 7.1, 7.2, 7.3, 7.4_ |
162 | | - |
163 | | -- [ ] 10. Update API routes and integrate new system |
164 | | - - [ ] 10.1 Refactor existing API routes to use new service manager |
165 | | - - Update all /api/ai/* routes to use AIServiceManager |
166 | | - - Remove duplicate code and standardize response formats |
167 | | - - _Requirements: 2.1, 2.2, 2.3_ |
168 | | - |
169 | | - - [ ] 10.2 Add health check and monitoring endpoints |
170 | | - - Create /api/health endpoint for system health monitoring |
171 | | - - Implement /api/providers endpoint for provider status |
172 | | - - _Requirements: 4.1, 4.4_ |
173 | | - |
174 | | - - [ ]* 10.3 Write API integration tests |
175 | | - - Create integration tests for all API endpoints |
176 | | - - Test health monitoring and provider status endpoints |
177 | | - - _Requirements: 7.1, 7.2_ |
178 | | - |
179 | | -- [ ] 11. Add configuration and deployment support |
180 | | - - [ ] 11.1 Create environment configuration templates |
181 | | - - Write configuration files for different deployment environments |
182 | | - - Document required environment variables and settings |
183 | | - - _Requirements: 1.1, 1.2_ |
184 | | - |
185 | | - - [ ] 11.2 Implement graceful startup and shutdown |
186 | | - - Code initialization logic with proper dependency management |
187 | | - - Implement graceful shutdown with cleanup procedures |
188 | | - - _Requirements: 1.3, 1.4_ |
189 | | - |
190 | | - - [ ]* 11.3 Write deployment and configuration tests |
191 | | - - Create tests for configuration loading and validation |
192 | | - - Test startup and shutdown procedures |
193 | | - - _Requirements: 1.1, 1.2, 1.3_ |
| 3 | +- [x] 1. Enhance existing provider interfaces |
| 4 | + - Add optional isAvailable() and validateConfig() methods to AIProvider interface |
| 5 | + - Create AIProviderError class for consistent error handling |
| 6 | + - Add basic validation and error handling to all existing providers |
| 7 | + - _Requirements: 2.1, 2.2, 3.1, 3.2_ |
| 8 | + |
| 9 | +- [ ] 2. Implement direct OpenAI API integration |
| 10 | + - Replace proxy API call with direct OpenAI API call to https://api.openai.com/v1/chat/completions |
| 11 | + - Add proper request formatting for OpenAI's chat completions API |
| 12 | + - Implement OpenAI-specific error handling (rate limits, authentication, etc.) |
| 13 | + - _Requirements: 1.1, 2.1, 4.1_ |
| 14 | + |
| 15 | +- [ ] 3. Implement direct Gemini API integration |
| 16 | + - Replace proxy API call with direct Google Gemini API call |
| 17 | + - Add proper request formatting for Gemini's API structure |
| 18 | + - Implement Gemini-specific error handling and response parsing |
| 19 | + - _Requirements: 1.2, 2.2, 4.2_ |
| 20 | + |
| 21 | +- [ ] 4. Implement direct Mistral API integration |
| 22 | + - Replace proxy API call with direct Mistral API call |
| 23 | + - Add proper request formatting for Mistral's API structure |
| 24 | + - Implement Mistral-specific error handling and response parsing |
| 25 | + - _Requirements: 1.3, 2.3, 4.3_ |
| 26 | + |
| 27 | +- [ ] 5. Implement direct DeepSeek API integration |
| 28 | + - Replace proxy API call with direct DeepSeek API call |
| 29 | + - Add proper request formatting for DeepSeek's API structure |
| 30 | + - Implement DeepSeek-specific error handling and response parsing |
| 31 | + - _Requirements: 1.4, 2.4, 4.4_ |
| 32 | + |
| 33 | +- [ ] 6. Test and validate all provider integrations |
| 34 | + - Test each provider with real API calls (using test API keys) |
| 35 | + - Validate error handling for common scenarios (invalid keys, rate limits, network errors) |
| 36 | + - Ensure backward compatibility with existing code |
| 37 | + - _Requirements: 3.1, 3.2, 3.3, 3.4_ |
| 38 | + |
| 39 | +- [ ] 7. Update availability checking |
| 40 | + - Enhance checkProviderAvailability function to work with direct API calls |
| 41 | + - Add proper API key validation for each provider |
| 42 | + - Test Ollama connectivity checking |
| 43 | + - _Requirements: 5.1, 5.2, 5.3, 5.4_ |
| 44 | + |
| 45 | +- [ ] 8. Remove proxy API routes (optional cleanup) |
| 46 | + - Remove /api/ai/openai, /api/ai/gemini, /api/ai/mistral, /api/ai/deepseek routes |
| 47 | + - Update any remaining code that might reference these routes |
| 48 | + - Clean up unused API route files |
| 49 | + - _Requirements: 1.1, 1.2, 1.3, 1.4_ |
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