feat: route consume knowledge to two channels (#9-#14)

Reworks the consume skill around two acceptance axes and two destinations,
implementing the six issues filed from the first real consume run as one design.

- Add trigger-ability as a second acceptance axis alongside generalizes, with
  its two premises; a pull-channel note now requires both (#9).
- Give consume a push channel — the target's own CLAUDE.md — for knowledge that
  fails an axis but is still useful: specific residue or proactive rules (#10).
- Name the general-lesson/specific-residue split and route each half (#12).
- Make the step-5 plan report a complete ledger with a per-note trigger line,
  push write-set, ref-fixes, flagged-not-authored, and drops (#13).
- Extend project cleanup to reconcile CLAUDE.md (capture-gated removal/trim) and
  fix references to deleted files wherever they land (#11).
- Encode a branch-owned output location: project notes flat under
  01 sources/claude/projects/, honoring any pre-existing grouping (#14).

Records the resolved vocabulary in .claude/CONTEXT.md and the two-channel write
decision in .claude/adr/0001.

Closes #9
Closes #10
Closes #11
Closes #12
Closes #13
Closes #14

.claude/CONTEXT.md

@@ -0,0 +1,54 @@
+# Skills
+
+A personal collection of Claude Code skills.
+The language below covers the knowledge-mining pipeline — the `consume` (write) and `wiki` (read) pair that move knowledge into and out of the user's Obsidian vault.
+
+## Language
+
+### Places
+
+**Vault**:
+The user's personal Obsidian knowledge base, read through `wiki` and written only within one area by `consume`.
+_Avoid_: notes folder, Obsidian
+
+**Pull channel**:
+The vault area holding reusable knowledge, retrieved on demand by a future agent that goes looking for it.
+_Avoid_: wiki proper, retrieval store
+
+**Push channel**:
+The target's own always-loaded documentation (its `CLAUDE.md`), whose value is being in front of an agent unprompted.
+_Avoid_: proactive store, always-on docs
+
+**Target**:
+The single source `consume` ingests in one run — currently a project directory.
+_Avoid_: source (reserve for the raw material within the target), input
+
+### Acceptance axes
+
+**Generalizes**:
+A mined fact's property of teaching something true on a *different* target, not only the one it came from.
+_Avoid_: reusable, transferable (use only informally)
+
+**Trigger-able**:
+A mined fact's property of having a recognizable symptom, error, or task that would send a future agent to retrieve it.
+_Avoid_: searchable, useful
+
+### What a source line yields
+
+**General lesson**:
+The transferable principle split out of a source line.
+_Avoid_: concept, insight
+
+**Specific residue**:
+The concrete, target-only answer left after the general lesson is split off.
+_Avoid_: leftover, detail
+
+**Proactive rule**:
+A mined fact that generalizes but is not trigger-able — a verification-discipline or design-stance rule whose value is firing unprompted.
+_Avoid_: habit, guideline
+
+### Planning
+
+**Contribution map**:
+The many-to-many record of which consumed file fed which planned note, with the exact contributing sections, including files that fed nothing.
+_Avoid_: provenance table, coverage map