Release v0.0.1

Bundles the in-flight work into the first tagged release. See
CHANGELOG.md `[0.0.1] - 2026-05-14` for the full per-change list.
Highlights:

- Sidebar / chrome stability: clamp absolute cursor positioning and
  printable bytes to the viewport so long-running TUIs (claude, codex)
  can't spray into the right rail; bound tab bar's row clear to the
  viewport width so the rail isn't wiped on every tab redraw; flag
  scroll escapes (RI/IND/NEL/SU/SD/IL/DL) and clamp `CSI 0/1/2 J`/`K`
  to viewport columns.
- Palette: "Spawn process…" form, macros (`sw `, `k `, `sp `), kill
  entries mark the focused tab, dead agents drop out of the switch
  list.
- Sidebar: split into Processes (session-wide) + Agent Tree
  (per-active-agent) sections; relaunch indicator; Ctrl+W/S walks the
  combined list, Ctrl+A/D steps tabs.
- MCP: protocol handshake (`initialize`, `tools/list`, `tools/call`,
  `ping`), `mcp_injection.kind = cli_override / config_env` so codex
  and opencode pick up the server with no file writes, `lifecycle`
  help topic and tool-description cleanup-duty pointers.
- Lifecycle: orchestrator-spawned children cascade-killed when the
  parent dies; orchestrator-injected prompts end with CR + delayed
  Enter so claude submits cleanly.

internal/harness/scenarios/spawn_process_form.json

@@ -0,0 +1,31 @@
+{
+  "name": "spawn_process_form",
+  "cols": 100,
+  "rows": 30,
+  "scripts": [
+    {
+      "name": "formfixture",
+      "body": "#!/bin/sh\necho FORM-READY\nsleep 5\n"
+    }
+  ],
+  "steps": [
+    { "type": "wait_stable", "timeout_ms": 3000 },
+    { "type": "send_chord", "chord": "ctrl-k" },
+    { "type": "send_text", "text": "Spawn process" },
+    { "type": "send_chord", "chord": "enter" },
+    { "type": "wait_text", "contains": "Spawn process", "timeout_ms": 3000 },
+    { "type": "send_text", "text": "formfixture" },
+    { "type": "send_chord", "chord": "tab" },
+    { "type": "send_chord", "chord": "space" },
+    { "type": "send_chord", "chord": "enter" },
+    { "type": "wait_text", "contains": "FORM-READY", "timeout_ms": 5000 },
+    {
+      "type": "assert_mcp",
+      "method": "list_processes",
+      "path": "0.status",
+      "equals": "running"
+    },
+    { "type": "assert_contains", "contains": "Processes" },
+    { "type": "assert_contains", "contains": "⟳" }
+  ]
+}