refactor(cso): tighten Tier 3 rules per third-pass review

- R7/R9: replace "user-global equivalents" shorthand with explicit
  ~/.claude/settings.json and ~/.claude/settings.local.json paths
- R8: drop "Matches the campaign's obfuscation" prose (campaign-specific
  decoration) and rewrite the FP rationale as instruction
- R9 (a): add node --require and node -e <inline-require> to the
  interpreter invocation patterns (covers indirect-require evasion)
- R9 (b): replace ambiguous "lockfile integrity hash" with "installed
  locked-package artifacts" — lockfile integrity is per-package, not
  per-file, so the previous wording invited reviewer confusion

Rule trigger surface unchanged for R7 (mem-read) and R12 (Session
domains in executable context). R8's matching condition is unchanged
(_0x density + crypto-decode call). R9 gains two indirect invocation
patterns and clarified manifest wording.

cso/SKILL.md

@@ -1056,11 +1056,11 @@ If approved, run the same Grep patterns on globally installed skill files and ch
 
 **Tier 3 — known-campaign IOCs (comprehensive mode only):** All rules in this tier surface only under `/cso --comprehensive` with TENTATIVE marking — daily mode's 8/10 zero-noise contract is unaffected.
 
-**R7** — Any Claude Code settings file (`.claude/settings.json`, `.claude/settings.local.json`, or the user-global equivalents under `~/.claude/`) `hooks.*.command` field containing a `/proc/.*/mem` read pattern. Direct process-memory introspection from a Claude Code hook has no legitimate use; it is a known credential-exfiltration technique against runner processes.
+**R7** — Any Claude Code settings file (`.claude/settings.json`, `.claude/settings.local.json`, `~/.claude/settings.json`, or `~/.claude/settings.local.json`) `hooks.*.command` field containing a `/proc/.*/mem` read pattern. Direct process-memory introspection from a Claude Code hook has no legitimate use; it is a known credential-exfiltration technique against runner processes.
 
-**R8** — `.claude/**/*.{js,mjs,ts,cjs}` or `.vscode/**/*.{js,mjs,ts,cjs}` containing **both** the `_0x[0-9a-f]{4,}` variable pattern (≥3 distinct occurrences) **and** at least one of `createDecipheriv`, `gunzip`, `gunzipSync`, `inflateRawSync`, `inflateSync`. Matches the campaign's obfuscation + runtime-decrypt signature; minified bundles fail the `_0x` half, sourcemap-inline output fails both halves.
+**R8** — `.claude/**/*.{js,mjs,ts,cjs}` or `.vscode/**/*.{js,mjs,ts,cjs}` containing **both** the `_0x[0-9a-f]{4,}` variable pattern (≥3 distinct occurrences) **and** at least one of `createDecipheriv`, `gunzip`, `gunzipSync`, `inflateRawSync`, `inflateSync`. Do not alert on ordinary minified bundles or inline sourcemap output unless both halves match.
 
-**R9** — File under `.claude/**` or `.vscode/**` where **all three** hold: (a) referenced from any Claude Code settings file (`.claude/settings.json`, `.claude/settings.local.json`, or the user-global equivalents under `~/.claude/`) `hooks.*.command` via `node|bun|python3?|bash|sh <path>` or direct path invocation, **OR** from a `tasks.json` task with `runOptions.runOn: "folderOpen"`; (b) not declared in `package.json` `files`, the npm tarball, or any lockfile `integrity` hash; (c) not exempt by the Tier 3 FP guards below. Auto-run persistence bridge in TTP form — renaming the payload file does not evade.
+**R9** — File under `.claude/**` or `.vscode/**` where **all three** hold: (a) referenced from any Claude Code settings file (`.claude/settings.json`, `.claude/settings.local.json`, `~/.claude/settings.json`, or `~/.claude/settings.local.json`) `hooks.*.command` via `node|bun|python3?|bash|sh <path>`, `node --require <path>`, `node -e <inline-require>`, or direct path invocation, **OR** from a `tasks.json` task with `runOptions.runOn: "folderOpen"`; (b) not present in package manifest evidence (`package.json` `files` array, npm tarball, or installed locked-package artifacts); (c) not exempt by the Tier 3 FP guards below. Auto-run persistence bridge in TTP form — renaming the payload file does not evade.
 
 **R12** — Strings `filev2.getsession.org`, `seed1.getsession.org`, `seed2.getsession.org`, or `seed3.getsession.org` appearing inside an executable context: a `hooks.*.command` value, a `tasks.json` `command`/`args` field, or a `fetch`/`http.get`/`axios`/`socket.connect`/`curl`/`nc` call inside a `.{js,mjs,ts,cjs,sh,py}` file under `.claude/**`/`.vscode/**`. Documentation or IOC-note mentions do not fire.
 

cso/SKILL.md.tmpl

@@ -304,11 +304,11 @@ If approved, run the same Grep patterns on globally installed skill files and ch
 
 **Tier 3 — known-campaign IOCs (comprehensive mode only):** All rules in this tier surface only under `/cso --comprehensive` with TENTATIVE marking — daily mode's 8/10 zero-noise contract is unaffected.
 
-**R7** — Any Claude Code settings file (`.claude/settings.json`, `.claude/settings.local.json`, or the user-global equivalents under `~/.claude/`) `hooks.*.command` field containing a `/proc/.*/mem` read pattern. Direct process-memory introspection from a Claude Code hook has no legitimate use; it is a known credential-exfiltration technique against runner processes.
+**R7** — Any Claude Code settings file (`.claude/settings.json`, `.claude/settings.local.json`, `~/.claude/settings.json`, or `~/.claude/settings.local.json`) `hooks.*.command` field containing a `/proc/.*/mem` read pattern. Direct process-memory introspection from a Claude Code hook has no legitimate use; it is a known credential-exfiltration technique against runner processes.
 
-**R8** — `.claude/**/*.{js,mjs,ts,cjs}` or `.vscode/**/*.{js,mjs,ts,cjs}` containing **both** the `_0x[0-9a-f]{4,}` variable pattern (≥3 distinct occurrences) **and** at least one of `createDecipheriv`, `gunzip`, `gunzipSync`, `inflateRawSync`, `inflateSync`. Matches the campaign's obfuscation + runtime-decrypt signature; minified bundles fail the `_0x` half, sourcemap-inline output fails both halves.
+**R8** — `.claude/**/*.{js,mjs,ts,cjs}` or `.vscode/**/*.{js,mjs,ts,cjs}` containing **both** the `_0x[0-9a-f]{4,}` variable pattern (≥3 distinct occurrences) **and** at least one of `createDecipheriv`, `gunzip`, `gunzipSync`, `inflateRawSync`, `inflateSync`. Do not alert on ordinary minified bundles or inline sourcemap output unless both halves match.
 
-**R9** — File under `.claude/**` or `.vscode/**` where **all three** hold: (a) referenced from any Claude Code settings file (`.claude/settings.json`, `.claude/settings.local.json`, or the user-global equivalents under `~/.claude/`) `hooks.*.command` via `node|bun|python3?|bash|sh <path>` or direct path invocation, **OR** from a `tasks.json` task with `runOptions.runOn: "folderOpen"`; (b) not declared in `package.json` `files`, the npm tarball, or any lockfile `integrity` hash; (c) not exempt by the Tier 3 FP guards below. Auto-run persistence bridge in TTP form — renaming the payload file does not evade.
+**R9** — File under `.claude/**` or `.vscode/**` where **all three** hold: (a) referenced from any Claude Code settings file (`.claude/settings.json`, `.claude/settings.local.json`, `~/.claude/settings.json`, or `~/.claude/settings.local.json`) `hooks.*.command` via `node|bun|python3?|bash|sh <path>`, `node --require <path>`, `node -e <inline-require>`, or direct path invocation, **OR** from a `tasks.json` task with `runOptions.runOn: "folderOpen"`; (b) not present in package manifest evidence (`package.json` `files` array, npm tarball, or installed locked-package artifacts); (c) not exempt by the Tier 3 FP guards below. Auto-run persistence bridge in TTP form — renaming the payload file does not evade.
 
 **R12** — Strings `filev2.getsession.org`, `seed1.getsession.org`, `seed2.getsession.org`, or `seed3.getsession.org` appearing inside an executable context: a `hooks.*.command` value, a `tasks.json` `command`/`args` field, or a `fetch`/`http.get`/`axios`/`socket.connect`/`curl`/`nc` call inside a `.{js,mjs,ts,cjs,sh,py}` file under `.claude/**`/`.vscode/**`. Documentation or IOC-note mentions do not fire.