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feat: Search Before Building — builder ethos + skill integrations (v0.9.5.0) (#298)

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* feat: ETHOS.md — gstack builder philosophy

Standalone document capturing the four principles: The Golden Age,
Boil the Lake, Search Before Building, and Build for Yourself.

Introduces the three-layer knowledge framework (tried-and-true,
new-and-popular, first-principles) and the Eureka Moment concept —
when first-principles reasoning reveals conventional wisdom is wrong.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* feat: Search Before Building preamble section + CLAUDE.md

Add generateSearchBeforeBuildingSection(ctx) to gen-skill-docs.ts.
Every workflow skill now gets a compact router section covering:
- Three layers of knowledge (tried-and-true, new-and-popular, first-principles)
- Eureka moment format and jq-based JSONL logging
- WebSearch fallback clause
- ETHOS.md reference via ctx.paths.skillRoot resolver

Also adds compact "Search before building" section to CLAUDE.md.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* feat: skill-specific Search Before Building integrations

8 template changes:
- /office-hours: Phase 2.75 Landscape Awareness (WebSearch + three-layer synthesis)
- /plan-eng-review: Step 0 search check with layer provenance annotations
- /investigate: external pattern search + search escalation on hypothesis failure
- /plan-ceo-review: Landscape Check before scope challenge
- /review: search-before-recommending for fix patterns
- /qa-only: WebSearch in allowed-tools
- /design-consultation: three-layer synthesis backport in Phase 2 Step 3
- /retro: eureka moment tracking from ~/.gstack/analytics/eureka.jsonl

All search steps include WebSearch fallback clause.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* feat: v0.9.5.0 — Builder Ethos (CHANGELOG + VERSION + TODOS)

ETHOS.md + Search Before Building across all workflow skills.
Deferred: first-time intro flow (blocked on blog post).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix: address Codex review — sanitize search, privacy gate, ETHOS.md sidecar

Three fixes from adversarial Codex review:
- /investigate: sanitize error messages before searching (strip hostnames,
  IPs, file paths, SQL, customer data). Skip search if unsanitizable.
- /office-hours: add privacy gate before landscape search. Use generalized
  category terms, never the user's specific product name or stealth idea.
- setup: link ETHOS.md into .agents/skills/gstack/ sidecar so workspace-
  local Codex sessions can find the builder philosophy.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* fix: sanitize Phase 2 external pattern search in /investigate

The Phase 2 external search also sent raw error messages to WebSearch.
Apply same sanitization rule as Phase 3 search escalation.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* docs: sync documentation with shipped changes

- ARCHITECTURE.md: preamble now handles 5 things (add Search Before Building)
- CLAUDE.md: add ETHOS.md to project structure tree
- README.md: add ETHOS.md to docs table

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Garry Tan
2026-03-21 11:46:06 -07:00
committed by GitHub
parent 709bed9f4d
commit f075cb757f
49 changed files with 1162 additions and 11 deletions
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office-hours/SKILL.md
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@@ -19,6 +19,7 @@ allowed-tools:
- Write
- Edit
- AskUserQuestion
- WebSearch
---
<!-- AUTO-GENERATED from SKILL.md.tmpl — do not edit directly -->
<!-- Regenerate: bun run gen:skill-docs -->
@@ -137,6 +138,26 @@ AI-assisted coding makes the marginal cost of completeness near-zero. When you p
- BAD: "Let's defer test coverage to a follow-up PR." (Tests are the cheapest lake to boil.)
- BAD: Quoting only human-team effort: "This would take 2 weeks." (Say: "2 weeks human / ~1 hour CC.")
## Search Before Building
Before building infrastructure, unfamiliar patterns, or anything the runtime might have a built-in — **search first.** Read `~/.claude/skills/gstack/ETHOS.md` for the full philosophy.
**Three layers of knowledge:**
- **Layer 1** (tried and true — in distribution). Don't reinvent the wheel. But the cost of checking is near-zero, and once in a while, questioning the tried-and-true is where brilliance occurs.
- **Layer 2** (new and popular — search for these). But scrutinize: humans are subject to mania. Search results are inputs to your thinking, not answers.
- **Layer 3** (first principles — prize these above all). Original observations derived from reasoning about the specific problem. The most valuable of all.
**Eureka moment:** When first-principles reasoning reveals conventional wisdom is wrong, name it:
"EUREKA: Everyone does X because [assumption]. But [evidence] shows this is wrong. Y is better because [reasoning]."
Log eureka moments:
```bash
jq -n --arg ts "$(date -u +%Y-%m-%dT%H:%M:%SZ)" --arg skill "SKILL_NAME" --arg branch "$(git branch --show-current 2>/dev/null)" --arg insight "ONE_LINE_SUMMARY" '{ts:$ts,skill:$skill,branch:$branch,insight:$insight}' >> ~/.gstack/analytics/eureka.jsonl 2>/dev/null || true
```
Replace SKILL_NAME and ONE_LINE_SUMMARY. Runs inline — don't stop the workflow.
**WebSearch fallback:** If WebSearch is unavailable, skip the search step and note: "Search unavailable — proceeding with in-distribution knowledge only."
## Contributor Mode
If `_CONTRIB` is `true`: you are in **contributor mode**. You're a gstack user who also helps make it better.
@@ -456,6 +477,43 @@ If no matches found, proceed silently.
---
## Phase 2.75: Landscape Awareness
Read ETHOS.md for the full Search Before Building framework (three layers, eureka moments). The preamble's Search Before Building section has the ETHOS.md path.
After understanding the problem through questioning, search for what the world thinks. This is NOT competitive research (that's /design-consultation's job). This is understanding conventional wisdom so you can evaluate where it's wrong.
**Privacy gate:** Before searching, use AskUserQuestion: "I'd like to search for what the world thinks about this space to inform our discussion. This sends generalized category terms (not your specific idea) to a search provider. OK to proceed?"
Options: A) Yes, search away B) Skip — keep this session private
If B: skip this phase entirely and proceed to Phase 3. Use only in-distribution knowledge.
When searching, use **generalized category terms** — never the user's specific product name, proprietary concept, or stealth idea. For example, search "task management app landscape" not "SuperTodo AI-powered task killer."
If WebSearch is unavailable, skip this phase and note: "Search unavailable — proceeding with in-distribution knowledge only."
**Startup mode:** WebSearch for:
- "[problem space] startup approach {current year}"
- "[problem space] common mistakes"
- "why [incumbent solution] fails" OR "why [incumbent solution] works"
**Builder mode:** WebSearch for:
- "[thing being built] existing solutions"
- "[thing being built] open source alternatives"
- "best [thing category] {current year}"
Read the top 2-3 results. Run the three-layer synthesis:
- **[Layer 1]** What does everyone already know about this space?
- **[Layer 2]** What are the search results and current discourse saying?
- **[Layer 3]** Given what WE learned in Phase 2A/2B — is there a reason the conventional approach is wrong?
**Eureka check:** If Layer 3 reasoning reveals a genuine insight, name it: "EUREKA: Everyone does X because they assume [assumption]. But [evidence from our conversation] suggests that's wrong here. This means [implication]." Log the eureka moment (see preamble).
If no eureka moment exists, say: "The conventional wisdom seems sound here. Let's build on it." Proceed to Phase 3.
**Important:** This search feeds Phase 3 (Premise Challenge). If you found reasons the conventional approach fails, those become premises to challenge. If conventional wisdom is solid, that raises the bar for any premise that contradicts it.
---
## Phase 3: Premise Challenge
Before proposing solutions, challenge the premises:

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@@ -19,6 +19,7 @@ allowed-tools:
- Write
- Edit
- AskUserQuestion
- WebSearch
---
{{PREAMBLE}}
@@ -235,6 +236,43 @@ If no matches found, proceed silently.
---
## Phase 2.75: Landscape Awareness
Read ETHOS.md for the full Search Before Building framework (three layers, eureka moments). The preamble's Search Before Building section has the ETHOS.md path.
After understanding the problem through questioning, search for what the world thinks. This is NOT competitive research (that's /design-consultation's job). This is understanding conventional wisdom so you can evaluate where it's wrong.
**Privacy gate:** Before searching, use AskUserQuestion: "I'd like to search for what the world thinks about this space to inform our discussion. This sends generalized category terms (not your specific idea) to a search provider. OK to proceed?"
Options: A) Yes, search away B) Skip — keep this session private
If B: skip this phase entirely and proceed to Phase 3. Use only in-distribution knowledge.
When searching, use **generalized category terms** — never the user's specific product name, proprietary concept, or stealth idea. For example, search "task management app landscape" not "SuperTodo AI-powered task killer."
If WebSearch is unavailable, skip this phase and note: "Search unavailable — proceeding with in-distribution knowledge only."
**Startup mode:** WebSearch for:
- "[problem space] startup approach {current year}"
- "[problem space] common mistakes"
- "why [incumbent solution] fails" OR "why [incumbent solution] works"
**Builder mode:** WebSearch for:
- "[thing being built] existing solutions"
- "[thing being built] open source alternatives"
- "best [thing category] {current year}"
Read the top 2-3 results. Run the three-layer synthesis:
- **[Layer 1]** What does everyone already know about this space?
- **[Layer 2]** What are the search results and current discourse saying?
- **[Layer 3]** Given what WE learned in Phase 2A/2B — is there a reason the conventional approach is wrong?
**Eureka check:** If Layer 3 reasoning reveals a genuine insight, name it: "EUREKA: Everyone does X because they assume [assumption]. But [evidence from our conversation] suggests that's wrong here. This means [implication]." Log the eureka moment (see preamble).
If no eureka moment exists, say: "The conventional wisdom seems sound here. Let's build on it." Proceed to Phase 3.
**Important:** This search feeds Phase 3 (Premise Challenge). If you found reasons the conventional approach fails, those become premises to challenge. If conventional wisdom is solid, that raises the bar for any premise that contradicts it.
---
## Phase 3: Premise Challenge
Before proposing solutions, challenge the premises: