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AgentCompany/builtin-skills/software-engineer/clean-general/SKILL.md
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ZacharyZhang-NY e74dafcd36 Silence render-disposed spam, unbreak bundled skills, drop board wake
Three independently ugly bugs that all fed the same log flood:

* Electron's `WebFrameMain.send` writes every "Render frame was disposed"
  to stderr via `console.error`. When the worker fans a second
  agent-event past a reloading renderer, we produced thousands of
  identical lines and stalled the main loop on stderr I/O. Added a
  `mainFrame.detached` guard so the send is short-circuited before
  Electron's own catch block fires, and installed a targeted filter in
  `suppress-warnings.ts` (now actually imported from the entry point)
  so the specific `console.error("Error sending from webFrameMain:"…)`
  noise never reaches the terminal. Any other payload still surfaces.

* `dispatchAgentMessage` accepted the human-reader sentinel as a wake
  target when an agent replied to `__board__` — `wakeAgentIfPossible`
  then called `db.getAgent("__board__")`, threw, and the dispatcher
  kept repeating on every send. Strip `HUMAN_SENDER_ID` at
  `resolveMessageWakeTargets`, and keep a defense-in-depth guard in the
  heartbeat so a stray caller (future automation fan-out) cannot
  reintroduce the crash.

* Pi's skills loader rejects any SKILL.md whose frontmatter `name`
  diverges from its parent directory. The four bundled `my-writing-style`
  copies declared `name: writing-style-skill`, so every install emitted
  a warning and dropped the skill. They also lived as orphan gitlinks
  (mode 160000 without .gitmodules), and the global `*.md` gitignore
  hid every other SKILL.md from version control. Fixed the frontmatter
  to match the dir, converted the dangling submodules to plain trees,
  and allowlisted `builtin-skills/**/*.md` so a fresh clone carries the
  catalogue instead of silently losing it.
2026-04-20 08:13:48 -04:00

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---
name: clean-general
description: Use when writing, fixing, editing, or reviewing Python code quality. Enforces Clean Code's core principles—DRY, single responsibility, clear intent, no magic numbers, proper abstractions.
---
# General Clean Code Principles
## Critical Rules
**G5: DRY (Don't Repeat Yourself)**
Every piece of knowledge has one authoritative representation.
```python
# Bad - duplication
tax_rate = 0.0825
ca_total = subtotal * 1.0825
ny_total = subtotal * 1.07
# Good - single source of truth
TAX_RATES = {"CA": 0.0825, "NY": 0.07}
def calculate_total(subtotal: float, state: str) -> float:
return subtotal * (1 + TAX_RATES[state])
```
**G16: No Obscured Intent**
Don't be clever. Be clear.
```python
# Bad - what does this do?
return (x & 0x0F) << 4 | (y & 0x0F)
# Good - obvious intent
return pack_coordinates(x, y)
```
**G23: Prefer Polymorphism to If/Else**
```python
# Bad - will grow forever
def calculate_pay(employee):
if employee.type == "SALARIED":
return employee.salary
elif employee.type == "HOURLY":
return employee.hours * employee.rate
elif employee.type == "COMMISSIONED":
return employee.base + employee.commission
# Good - open/closed principle
class SalariedEmployee:
def calculate_pay(self): return self.salary
class HourlyEmployee:
def calculate_pay(self): return self.hours * self.rate
class CommissionedEmployee:
def calculate_pay(self): return self.base + self.commission
```
**G25: Replace Magic Numbers with Named Constants**
```python
# Bad
if elapsed_time > 86400:
...
# Good
SECONDS_PER_DAY = 86400
if elapsed_time > SECONDS_PER_DAY:
...
```
**G30: Functions Should Do One Thing**
If you can extract another function, your function does more than one thing.
**G36: Law of Demeter (Avoid Train Wrecks)**
```python
# Bad - reaching through multiple objects
output_dir = context.options.scratch_dir.absolute_path
# Good - one dot
output_dir = context.get_scratch_dir()
```
## Enforcement Checklist
When reviewing AI-generated code, verify:
- [ ] No duplication (G5)
- [ ] Clear intent, no magic numbers (G16, G25)
- [ ] Polymorphism over conditionals (G23)
- [ ] Functions do one thing (G30)
- [ ] No Law of Demeter violations (G36)
- [ ] Boundary conditions handled (G3)
- [ ] Dead code removed (G9)