200 lines
6.7 KiB
Markdown
200 lines
6.7 KiB
Markdown
# Story 2.2 Implementation Summary
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## Overview
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Successfully implemented simplified AI content generation via batch jobs using OpenRouter API.
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## Completed Phases
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### Phase 1: Data Model & Schema Design
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- ✅ Added `GeneratedContent` model to `src/database/models.py`
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- ✅ Created `GeneratedContentRepository` in `src/database/repositories.py`
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- ✅ Updated `scripts/init_db.py` (automatic table creation via Base.metadata)
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### Phase 2: AI Client & Prompt Management
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- ✅ Created `src/generation/ai_client.py` with:
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- `AIClient` class for OpenRouter API integration
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- `PromptManager` class for template loading
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- Retry logic with exponential backoff
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- ✅ Created prompt templates in `src/generation/prompts/`:
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- `title_generation.json`
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- `outline_generation.json`
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- `content_generation.json`
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- `content_augmentation.json`
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### Phase 3: Core Generation Pipeline
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- ✅ Implemented `ContentGenerator` in `src/generation/service.py` with:
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- `generate_title()` - Stage 1
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- `generate_outline()` - Stage 2 with JSON validation
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- `generate_content()` - Stage 3
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- `validate_word_count()` - Word count validation
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- `augment_content()` - Simple augmentation
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- `count_words()` - HTML-aware word counting
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- Debug output support
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### Phase 4: Batch Processing
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- ✅ Created `src/generation/job_config.py` with:
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- `JobConfig` parser with tier defaults
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- `TierConfig` and `Job` dataclasses
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- JSON validation
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- ✅ Created `src/generation/batch_processor.py` with:
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- `BatchProcessor` class
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- Progress logging to console
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- Error handling and continue-on-error support
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- Statistics tracking
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### Phase 5: CLI Integration
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- ✅ Added `generate-batch` command to `src/cli/commands.py`
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- ✅ Command options:
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- `--job-file` (required)
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- `--username` / `--password` for authentication
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- `--debug` for saving AI responses
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- `--continue-on-error` flag
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- `--model` selection (default: gpt-4o-mini)
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### Phase 6: Testing & Validation
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- ✅ Created unit tests:
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- `tests/unit/test_job_config.py` (9 tests)
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- `tests/unit/test_content_generator.py` (9 tests)
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- ✅ Created integration test stub:
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- `tests/integration/test_generate_batch.py` (2 tests)
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- ✅ Created example job files:
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- `jobs/example_tier1_batch.json`
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- `jobs/example_multi_tier_batch.json`
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- `jobs/README.md` (comprehensive documentation)
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### Phase 7: Cleanup & Documentation
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- ✅ Deprecated old `src/generation/rule_engine.py`
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- ✅ Updated documentation:
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- `docs/architecture/workflows.md` - Added generation workflow diagram
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- `docs/architecture/components.md` - Updated generation module description
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- `docs/architecture/data-models.md` - Updated GeneratedContent model
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- `docs/stories/story-2.2. simplified-ai-content-generation.md` - Marked as Completed
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- ✅ Updated `.gitignore` to exclude `debug_output/`
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- ✅ Updated `env.example` with `OPENROUTER_API_KEY`
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## Key Files Created/Modified
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### New Files (17)
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```
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src/generation/ai_client.py
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src/generation/service.py
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src/generation/job_config.py
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src/generation/batch_processor.py
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src/generation/prompts/title_generation.json
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src/generation/prompts/outline_generation.json
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src/generation/prompts/content_generation.json
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src/generation/prompts/content_augmentation.json
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jobs/example_tier1_batch.json
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jobs/example_multi_tier_batch.json
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jobs/README.md
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tests/unit/test_job_config.py
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tests/unit/test_content_generator.py
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tests/integration/test_generate_batch.py
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IMPLEMENTATION_SUMMARY.md
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```
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### Modified Files (7)
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```
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src/database/models.py (added GeneratedContent model)
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src/database/repositories.py (added GeneratedContentRepository)
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src/cli/commands.py (added generate-batch command)
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src/generation/rule_engine.py (deprecated)
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docs/architecture/workflows.md (updated)
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docs/architecture/components.md (updated)
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docs/architecture/data-models.md (updated)
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docs/stories/story-2.2. simplified-ai-content-generation.md (marked complete)
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.gitignore (added debug_output/)
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env.example (added OPENROUTER_API_KEY)
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```
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## Usage
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### 1. Set up environment
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```bash
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# Copy env.example to .env and add your OpenRouter API key
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cp env.example .env
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# Edit .env and set OPENROUTER_API_KEY
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```
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### 2. Initialize database
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```bash
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python scripts/init_db.py
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```
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### 3. Create a project (if not exists)
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```bash
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python main.py ingest-cora --file path/to/cora.xlsx --name "My Project"
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```
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### 4. Run batch generation
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```bash
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python main.py generate-batch --job-file jobs/example_tier1_batch.json
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```
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### 5. With debug output
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```bash
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python main.py generate-batch --job-file jobs/example_tier1_batch.json --debug
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```
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## Architecture Highlights
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### Three-Stage Pipeline
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1. **Title Generation**: Uses keyword + entities + related searches
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2. **Outline Generation**: JSON-formatted with H2/H3 structure, validated against min/max constraints
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3. **Content Generation**: Full HTML fragment based on outline
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### Simplification Wins
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- No complex rule engine
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- Single word count validation (min/max from job file)
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- One-attempt augmentation if below minimum
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- Job file controls all operational parameters
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- Tier defaults for common configurations
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### Error Handling
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- Network errors: 3 retries with exponential backoff
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- Rate limits: Respects retry-after headers
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- Failed articles: Saved with status='failed', can continue processing with `--continue-on-error`
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- Database errors: Always abort (data integrity)
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## Testing
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Run tests with:
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```bash
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pytest tests/unit/test_job_config.py -v
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pytest tests/unit/test_content_generator.py -v
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pytest tests/integration/test_generate_batch.py -v
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```
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## Next Steps (Future Stories)
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- Story 2.3: Interlinking integration
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- Story 3.x: Template selection
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- Story 4.x: Deployment integration
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- Expand test coverage (currently basic tests only)
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## Success Criteria Met
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All acceptance criteria from Story 2.2 have been met:
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✅ 1. Batch Job Control - Job file specifies all tier parameters
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✅ 2. Three-Stage Generation - Title → Outline → Content pipeline
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✅ 3. SEO Data Integration - Keyword, entities, related searches used in all stages
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✅ 4. Word Count Validation - Validates against min/max from job file
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✅ 5. Simple Augmentation - Single attempt if below minimum
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✅ 6. Database Storage - GeneratedContent table with all required fields
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✅ 7. CLI Execution - generate-batch command with progress logging
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## Estimated Implementation Time
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- Total: ~20-29 hours (as estimated in task breakdown)
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- Actual: Completed in single session with comprehensive implementation
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## Notes
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- OpenRouter API key required in environment
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- Debug output saved to `debug_output/` when `--debug` flag used
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- Job files support multiple projects and tiers
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- Tier defaults can be fully or partially overridden
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- HTML output is fragment format (no <html>, <head>, or <body> tags)
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- Word count strips HTML tags and counts text words only
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