Release v0.3.0 — Event Orchestration, Human-in-the-Loop, Daily-Driver TUI

Test results: 86 pass, 0 fail across 21 suites. TUI integration: 7/7 pass.

Features:
- 9-vector deterministic dispatcher gates (secrets, paths, shells, network)
- Human-in-the-Loop Flight Plan workflow for blocked actions
- Event Orchestrator: unified hooks + cron + tier-based routing
- Context Manager: stack-based project scoping with persistence
- Model-Tier Routing: per-slot provider cascades with privacy filter
- Memory Scope Segmentation: memex/session/project with scope-aware retrieval
- Asynchronous Embedding Gateway: provider-agnostic vectors with cron job
- TUI Experience: scrollback, history, status bar, themes, tab completion
- v0.2.x Backfill Remediation: 14 stale/todo/stub items resolved
- Multi-distro deployment: Debian + Fedora, systemd, Docker
- 31 literate Org files with full prose

Fixes:
- CLI test: fiveam:is t -> pass/fail handler-case
- Cascade-parsing integration test: load provider before checking
- Version strings 0.2.0 -> 0.3.0 in core-communication, tui-main, architecture

org/gateway-tui-main.org

@@ -241,7 +241,7 @@ Event handlers + daemon I/O + main loop.
                        (st :connected) t)
                  (bt:make-thread (lambda () (reader-loop (st :stream)))
                                 :name "tui-reader")
-                 (add-msg :system (format nil "* Connected v~a *" "0.2.0"))
+                 (add-msg :system (format nil "* Connected v~a *" "0.3.0"))
                  (return-from connect-daemon t))
              (usocket:connection-refused-error (c)
                (when (= attempt 3)