Brian Madison
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3d4ea5ffd2
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feat: add universal document sharding support with dual-strategy loading
Implement comprehensive document sharding system across all BMM workflows enabling 90%+ token savings for large multi-epic projects through selective loading optimization.
## Document Sharding System
### Core Features
- **Universal Support**: All 12 BMM workflows (Phase 1-4) handle both whole and sharded documents
- **Dual Loading Strategy**: Full Load (Phase 1-3) vs Selective Load (Phase 4)
- **Automatic Discovery**: Workflows detect format transparently (whole → sharded priority)
- **Efficiency Optimization**: 90%+ token reduction for 10+ epic projects in Phase 4
### Implementation Details
**Phase 1-3 Workflows (7 workflows) - Full Load Strategy:**
- product-brief, prd, gdd, create-ux-design, tech-spec, architecture, solutioning-gate-check
- Load entire sharded documents when present
- Transparent to user experience
- Better organization for large projects
**Phase 4 Workflows (5 workflows) - Selective Load Strategy:**
- sprint-planning (Full Load exception - needs all epics)
- epic-tech-context, create-story, story-context, code-review (Selective Load)
- Load ONLY the specific epic needed (e.g., epic-3.md for Epic 3 stories)
- Massive efficiency: Skip loading 9 other epics in 10-epic project
### Workflow Enhancements
**Added to all workflows:**
- `input_file_patterns` in workflow.yaml with wildcard discovery
- Document Discovery section in instructions.md
- Support for sharded index + section files
- Brownfield `docs/index.md` support
**Pattern standardization:**
```yaml
input_file_patterns:
document:
whole: "{output_folder}/*doc*.md"
sharded: "{output_folder}/*doc*/index.md"
sharded_single: "{output_folder}/*doc*/section-{{id}}.md" # Selective load
```
### Retrospective Workflow Major Overhaul
Transformed retrospective into immersive, interactive team experience:
**Epic Discovery Priority (Fixed):**
- Priority 1: Check sprint-status.yaml for last completed epic
- Priority 2: Ask user directly
- Priority 3: Scan stories folder (last resort)
**New Capabilities:**
- Deep story analysis: Extract dev notes, mistakes, review feedback, lessons learned
- Previous retro integration: Track action items, verify lessons applied
- Significant change detection: Alert when discoveries require epic updates
- Intent-based facilitation: Natural conversation vs scripted phrases
- Party mode protocol: Clear speaker identification (Name (Role): dialogue)
- Team dynamics: Drama, disagreements, diverse perspectives, authentic conflict
**Structure:**
- 12 whole-number steps (no decimals)
- Highly interactive with constant user engagement
- Cross-references previous retro for accountability
- Synthesizes patterns across all stories
- Detects architectural assumption changes
## Documentation
**Created:**
- `docs/document-sharding-guide.md` - Comprehensive 300+ line guide
- What is sharding, when to use it (token thresholds)
- How sharding works (discovery system, loading strategies)
- Using shard-doc tool
- Full Load vs Selective Load patterns
- Complete examples and troubleshooting
- Custom workflow integration patterns
**Updated:**
- `README.md` - Added Document Sharding feature section
- `docs/index.md` - Added under Advanced Topics → Optimization
- `src/modules/bmm/workflows/README.md` - Added sharding section with usage
- `src/modules/bmb/workflows/create-workflow/workflow-creation-guide.md` - Added complete implementation patterns for workflow builders
**Documentation levels:**
1. Overview (README.md) - Quick feature highlight
2. User guide (BMM workflows README) - Practical usage
3. Reference (document-sharding-guide.md) - Complete details
4. Builder guide (workflow-creation-guide.md) - Implementation patterns
## Efficiency Gains
**Example: 10-Epic Project**
Before sharding:
- epic-tech-context for Epic 3: Load all 10 epics (~50k tokens)
- create-story for Epic 3: Load all 10 epics (~50k tokens)
- story-context for Epic 3: Load all 10 epics (~50k tokens)
After sharding with selective load:
- epic-tech-context for Epic 3: Load Epic 3 only (~5k tokens) = 90% reduction
- create-story for Epic 3: Load Epic 3 only (~5k tokens) = 90% reduction
- story-context for Epic 3: Load Epic 3 only (~5k tokens) = 90% reduction
## Breaking Changes
None - fully backward compatible. Workflows work with existing whole documents.
## Files Changed
**Workflows Updated (25 files):**
- 7 Phase 1-3 workflows: Added full load sharding support
- 5 Phase 4 workflows: Added selective load sharding support
- 1 retrospective workflow: Complete overhaul with sharding support
**Documentation (5 files):**
- Created: document-sharding-guide.md
- Updated: README.md, docs/index.md, BMM workflows README, BMB workflow-creation-guide
- Removed: Old conversion report (obsolete)
## Future Extensibility
- BMB workflows now aware of sharding patterns
- Custom modules can easily implement sharding support
- Standard patterns documented for consistency
- No need to explain concept in future development
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2025-11-02 00:13:33 -05:00 |