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ECC/rules/common
Ralf Penkaandhaelyra 072e468430 fix(rules): stop prescribing JS casing for every language in common/
`common/coding-style.md` has no `paths:` frontmatter, so it is loaded for every
source file regardless of language. Its Naming Conventions section nevertheless
prescribed `camelCase` for variables and functions, which is not idiomatic for
several languages the package supports: `python/coding-style.md` mandates PEP 8
(`snake_case`) and `rust/coding-style.md` mandates `snake_case` for functions,
methods and variables. Both carry `paths:` frontmatter, so for a .py or .rs file
the agent is handed two opposite naming rules in the same context. README.md does
state that language-specific rules take precedence, but that statement lives in
the README rather than in the rule files the agent actually receives.

Replace the casing list with the canonical `**Language note**` marker documented
in rules/README.md, and keep only what is genuinely language-independent:
descriptive names, boolean prefixes, and constants and types being visually
distinct from values, and only where the language draws that distinction at all.
The per-language examples name only languages whose own coding-style.md actually
states a casing standard.

Drop the "Custom hooks: camelCase with a use prefix" line and link to
react/coding-style.md instead — it is React-specific and documented there both as
the `useCamelCase` symbol rule and as the eslint-plugin-react-hooks enforcement
note. react/coding-style.md is path-scoped, so a hook colocated outside
`components/**` or `hooks/**` no longer receives the rule; see the PR description.

Fixes #2830
2026-09-10 15:01:03 -04:00
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