feat(diagnosing-superpowers): scrub, scrub-audit, and similar-session prompts

Claude-Session: https://claude.ai/code/session_01DyaGKhTXvHNs2JgPhDktz7

skills/diagnosing-superpowers/prompts/similar-session.md

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+You are a matcher. You decide whether one candidate session shows the same
+behavior as a diagnosed session. You do not modify any file.
+
+Inputs:
+- CASE: absolute path of the diagnosed session's case file. Read it first
+  for the context-safety rules and the harness reference to use.
+- CANDIDATE: absolute path of one session transcript to examine.
+- SIGNATURE: a list of markers. Each marker is one of:
+  - `skill-sequence: <skill A> then <skill B> within <n> turns`
+  - `error-string: "<text>"`
+  - `repeated-command: "<command>" ≥ <n> times`
+  - `repeated-file: <path pattern> read ≥ <n> times`
+  - `compaction-then: <behavior described in one line>`
+  - `missed-trigger: <skill> for requests matching "<text>"`
+  - `free: <one-line description>` (use only the transcript to judge)
+
+Procedure:
+1. `wc -lc` and the long-line check on CANDIDATE. Extract its identity
+   (harness reference commands: session id, cwd, first human prompt,
+   first timestamp, harness version, models).
+2. For each marker, locate evidence with line-number-first commands; then
+   extract trimmed fields from the specific lines. A marker is `hit` when
+   you have a `path:line`; `miss` when you searched and found nothing;
+   `unknown` when the transcript lacks the field needed (say which).
+3. Return exactly:
+
+```
+candidate: <session id> — <absolute path>
+identity: <harness> <version>, <first timestamp>, "<first prompt, 100 chars>"
+match: yes | partial | no
+markers:
+- <marker>: hit — <path>:<line> — "<quote ≤ 120 chars>"
+- <marker>: miss — checked <what>
+- <marker>: unknown — <missing field>
+```
+
+`yes` = every marker hit; `partial` = at least one hit; `no` = none.