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

lisp/core-communication.lisp

@@ -62,7 +62,7 @@
   (let ((stream (usocket:socket-stream socket)))
     (handler-case
         (progn
-          (format stream "~a" (frame-message (make-hello-message "0.2.0")))
+          (format stream "~a" (frame-message (make-hello-message "0.3.0")))
           (finish-output stream)
           (loop
             (let ((msg (read-framed-message stream)))