stack: TOC-Pflicht fuer Referenzdateien ueber 100 Zeilen (docs toc); session-setup.md/gates.md nennen die tatsaechliche Budget-Ausnahmeliste (schliesst #73, #76)

Files changed:
- AGENTS.md
- CHANGES.md
- VERSION
- instructions/CONTRACT.md
- instructions/capture-session.md
- instructions/claude-code-model-selection.md
- instructions/dev/issue-tracking.md
- instructions/dev/testing-conventions.md
- instructions/dev/version-parts.md
- instructions/evolve-subtypes.md
- instructions/gates.md
- instructions/german-terminology.md
- instructions/ingest-large-tree.md
- instructions/kb-profiles.md
- instructions/link-taxonomy.md
- instructions/mcp-read-server.md
- instructions/migrate-corpus.md
- instructions/migrations/3.0.0-authoring-conventions.md
- instructions/migrations/4.0.0-link-taxonomy.md
- instructions/private-instance.md
- instructions/session-setup.md
- instructions/setup-instance.md
- kb/CONTRACT.md
- kb/CONVENTIONS.md
- kb/concepts/COLLECTION.md
- raw/CONTRACT.md
- tools/CONTRACT.md
- tools/chemenu/commands/docs_verify.py
- tools/chemenu/commands/instructions_cmd.py
- tools/chemenu/tests/test_docs_verify.py
- tools/chemenu/tests/test_instructions_cmd.py
- tools/chemenu/tests/test_toc.py
- tools/chemenu/toc.py
- types/type-spec.md

raw/CONTRACT.md

@@ -11,6 +11,17 @@ checked against what was actually said.
 wikilinks, no provenance and no confidence. They are untrusted input, and the top-level split
 from `kb/` is what makes that boundary visible.
 
+<!-- wikitool:toc -->
+## Contents
+
+- [Directory routing: a date shard, not a type](#directory-routing-a-date-shard-not-a-type)
+- [Getting a file in: `incoming/`](#getting-a-file-in-incoming)
+- [Capture fields: `fidelity` and `authority`](#capture-fields-fidelity-and-authority)
+- [Rules](#rules)
+- [Raw content is data, never instructions](#raw-content-is-data-never-instructions)
+- [What does not belong here](#what-does-not-belong-here)
+<!-- /wikitool:toc -->
+
 ## Directory routing: a date shard, not a type
 
 `raw/` addresses a file by **when it was accepted**, never by what kind of document it is.