passepartout: v0.4.1 Design Cleanup

- Remove system-prompt-augment mechanism, introduce *standing-mandates*
- Fix false token-overhead claims in DESIGN_DECISIONS + ROADMAP
- Update security vector count 9-10 across all docs and dispatcher docstring
- Rewrite README with agent section, soften aspirational claims
- Register 10 cognitive tools in programming-tools.org with test suite
- Enforce NO-HARDCODED-CONSTANTS in .env.example
- ROADMAP: mark v0.3.x patches DONE, add LOGBOOKs, mark releases
- AGENTS.md: rewrite compact (180 to 50 lines), move refs to CONTRIBUTING
- Normalize org tangle directives to file-level PROPERTY inheritance

org/security-permissions.org

@@ -8,7 +8,7 @@
 Every cognitive tool (file read, file write, shell execute, etc.) has a permission level: ~:allow~ (executed without asking), ~:ask~ (user is prompted before execution), or ~:deny~ (blocked entirely). Tool Permissions maintains the registry of these levels and provides the ~permission-gate-check~ that the Dispatcher calls before dispatching a tool action.
 
 The complexity lives in the Dispatcher (security-dispatcher.org), which
-consults this table as one of its nine scan vectors.
+consults this table as one of its ten scan vectors.
 
 ** Contract