93 lines
3.7 KiB
Markdown
93 lines
3.7 KiB
Markdown
---
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type: concept
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name: Development Velocity
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confidence: 0.95
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sources: 14
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last_compiled: 2026-04-13
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---
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# Development Velocity
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## Summary
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This page synthesizes patterns across 20 development sessions to understand
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how [[Waggle OS]] actually gets built — what works, what doesn't, and what
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the data says about productivity.
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No single session handoff contains this analysis. It emerges from looking
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across all of them.
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## Velocity by Phase
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| Period | Sessions | Commits | Key Output |
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|--------|----------|---------|------------|
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| Mar 27-31 | 5 | ~10 | M2 sprint: P0 fixes, resilience, cleanup |
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| Apr 1-5 | 4 | ~8 | Deep refactoring, multiple audit rounds |
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| Apr 6-7 | 2 | ~6 | Agent intelligence sprint (9 features, 112 tests) |
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| Apr 8 | 1 | 6 | Structural refactors (chat.ts, personas.ts split) |
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| Apr 9-10 | 2 | 11 | ULTRAPLAN Phases 1-9 (120 files, 17K lines) |
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| Apr 11 | 1 | 17 | Phases A+B (12 feature + 5 polish commits) |
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| Apr 12 | 5 | ~30 | Phases C+D, E2E, tier restructure, binary |
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| Apr 13 | 2 | 33 | Entire backlog + Memory MCP + Wiki Compiler spec |
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**Total: ~20 sessions, ~120 commits, 18 days from "all broken" to backlog cleared.**
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## What Accelerated
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1. **CLAUDE.md as contract.** Once the authoritative CLAUDE.md was in place
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(around Apr 8), sessions became dramatically more productive. The agent
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could self-direct against a clear spec instead of guessing.
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2. **"You lead" delegation.** Marko's shift to *"yes whatever you choose you
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lead"* (Apr 12-13) enabled marathon autonomous sessions. 29 commits in a
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single session wouldn't happen with approval on every change.
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3. **Memory handoffs.** Session handoff memory files let each new session pick
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up exactly where the last left off. No ramp-up time. The first message is
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"continue" and work starts immediately.
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4. **Playwright over manual testing.** After Marko burned out on manual binary
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verification (Apr 12), switching to headless Playwright E2E removed the
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human bottleneck. 96 E2E tests replaced "click here, does it work?"
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## What Slowed Down
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1. **The "all broken" period (Apr 1).** Multiple restart cycles, CORS errors,
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vault invisible, agents returning "local mode." Lost ~half a day to
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debugging basic wiring issues.
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2. **Audit fatigue (Apr 1).** Marko asked for 4+ full codebase audit rounds
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in a single day. Each audit found real issues, but diminishing returns
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set in. The fix: ship and iterate, not audit to perfection.
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3. **Context resets.** New sessions without clear handoffs required re-reading
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the entire codebase state. The memory system solved this but took until
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Apr 8 to be fully operational.
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4. **Binary build + test cycle.** Building the Tauri binary takes minutes.
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Testing it manually takes more. This blocked the feedback loop until
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Playwright replaced manual testing.
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## The Mega Session Pattern
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The most productive sessions follow a pattern:
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1. Clear handoff note from previous session
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2. Marko says "continue" or gives broad direction
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3. Agent reads state, makes a plan, executes autonomously
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4. Marko checks in periodically for strategic steering
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5. Session ends with detailed handoff note
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The April 13 mega session (29 commits) is the purest example. Marko gave
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broad directives ("do team server", "compose new docker", "go for ollama")
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and the agent executed full feature implementations autonomously.
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## Contradiction
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The April 1 "audit everything" approach vs. the April 13 "you lead" approach
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represent opposite strategies. Both produced results, but the "you lead"
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approach produced 3-5x more output per session. The audit approach caught
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real bugs but also burned time on diminishing-return passes.
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**Resolution:** The optimal pattern is likely: "you lead" for implementation,
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followed by one focused review pass (not 4).
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