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Add codebase-first assumption-driven alternative to the interview-style discuss-phase. New `workflow.discuss_mode: "assumptions"` config routes to a separate workflow that spawns a gsd-assumptions-analyzer agent to read 5-15 codebase files, surface assumptions with evidence, and ask only for corrections (~2-4 interactions vs ~15-20). - New gsd-assumptions-analyzer agent for deep codebase analysis - New discuss-phase-assumptions.md workflow (15 steps) - Command-level routing via dual @reference + process gate - Identical CONTEXT.md output — downstream agents unaffected - Existing discuss-phase.md workflow untouched (zero diff) - Mode-aware plan-phase gate and progress display - User documentation and integration tests - Update agent count and list in copilot-install tests (17 → 18) Closes #637 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
69 lines
2.6 KiB
Markdown
69 lines
2.6 KiB
Markdown
# Discuss Mode: Assumptions vs Interview
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GSD's discuss-phase has two modes for gathering implementation context before planning.
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## Modes
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### `discuss` (default)
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The original interview-style flow. Claude identifies gray areas in the phase, presents them
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for selection, then asks ~4 questions per area. Good for:
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- Early phases where the codebase is new
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- Phases where the user has strong opinions they want to express proactively
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- Users who prefer guided, conversational context gathering
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### `assumptions`
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A codebase-first flow. Claude deeply analyzes the codebase via a subagent (reading 5-15
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relevant files), forms assumptions with evidence, and presents them for confirmation or
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correction. Good for:
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- Established codebases with clear patterns
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- Users who find the interview questions obvious
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- Faster context gathering (~2-4 interactions vs ~15-20)
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## Configuration
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```bash
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# Enable assumptions mode
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gsd-tools config-set workflow.discuss_mode assumptions
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# Switch back to interview mode
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gsd-tools config-set workflow.discuss_mode discuss
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```
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The setting is per-project (stored in `.planning/config.json`).
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## How Assumptions Mode Works
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1. **Init** — Same as discuss mode (load prior context, scout codebase, check todos)
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2. **Deep analysis** — Explore subagent reads 5-15 codebase files related to the phase
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3. **Surface assumptions** — Each assumption includes:
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- What Claude would do and why (citing file paths)
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- What goes wrong if the assumption is incorrect
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- Confidence level (Confident / Likely / Unclear)
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4. **Confirm or correct** — User reviews assumptions, selects any that need changing
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5. **Write CONTEXT.md** — Identical output format to discuss mode
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## Flag Compatibility
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| Flag | `discuss` mode | `assumptions` mode |
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|------|----------------|-------------------|
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| `--auto` | Auto-selects recommended answers | Skips confirm gate, auto-resolves Unclear items |
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| `--batch` | Groups questions in batches | N/A (corrections already batched) |
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| `--text` | Plain-text questions (remote sessions) | Plain-text questions (remote sessions) |
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| `--analyze` | Shows trade-off tables per question | N/A (assumptions include evidence) |
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## Output
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Both modes produce identical CONTEXT.md with the same 6 sections:
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- `<domain>` — Phase boundary
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- `<decisions>` — Locked implementation decisions
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- `<canonical_refs>` — Specs/docs downstream agents must read
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- `<code_context>` — Reusable assets, patterns, integration points
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- `<specifics>` — User references and preferences
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- `<deferred>` — Ideas noted for future phases
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Downstream agents (researcher, planner, checker) consume this identically regardless of mode.
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