feat: add animated terminal demo (demo.svg)

- demo.cast: hand-crafted asciinema v2 cast with exact output sequence
- demo.svg: animated SVG generated via svg-term-cli (macOS terminal style)
  Shows: git clone → npm install → npm run example → enforcement halt
- README: add Example Run section with embedded SVG animation

Author: repoforge-dev

README.md

@@ -39,6 +39,12 @@ Chain integrity : ✅  verified
 
 ---
 
+## Example Run
+
+![AuthorityLayer demo](./demo.svg)
+
+---
+
 ## Why AuthorityLayer Exists
 
 Autonomous agents introduce a new risk surface:

demo.cast

@@ -0,0 +1,148 @@
+{"version": 2, "width": 82, "height": 28, "timestamp": 1741049884, "title": "AuthorityLayer demo", "env": {"SHELL": "/bin/bash", "TERM": "xterm-256color"}}
+[0.5, "o", "\u001b[1;32m$\u001b[0m "]
+[1.0, "o", "g"]
+[1.08, "o", "i"]
+[1.16, "o", "t"]
+[1.22, "o", " "]
+[1.28, "o", "c"]
+[1.35, "o", "l"]
+[1.42, "o", "o"]
+[1.49, "o", "n"]
+[1.56, "o", "e"]
+[1.62, "o", " "]
+[1.68, "o", "h"]
+[1.75, "o", "t"]
+[1.82, "o", "t"]
+[1.89, "o", "p"]
+[1.95, "o", "s"]
+[2.01, "o", ":"]
+[2.07, "o", "/"]
+[2.13, "o", "/"]
+[2.19, "o", "g"]
+[2.25, "o", "i"]
+[2.31, "o", "t"]
+[2.37, "o", "h"]
+[2.43, "o", "u"]
+[2.49, "o", "b"]
+[2.55, "o", "."]
+[2.61, "o", "c"]
+[2.67, "o", "o"]
+[2.73, "o", "m"]
+[2.79, "o", "/"]
+[2.85, "o", "0"]
+[2.91, "o", "3"]
+[2.97, "o", "2"]
+[3.03, "o", "3"]
+[3.09, "o", "8"]
+[3.15, "o", "3"]
+[3.21, "o", "j"]
+[3.27, "o", "u"]
+[3.33, "o", "s"]
+[3.39, "o", "t"]
+[3.45, "o", "i"]
+[3.51, "o", "n"]
+[3.57, "o", "/"]
+[3.63, "o", "a"]
+[3.69, "o", "u"]
+[3.75, "o", "t"]
+[3.81, "o", "h"]
+[3.87, "o", "o"]
+[3.93, "o", "r"]
+[3.99, "o", "i"]
+[4.05, "o", "t"]
+[4.11, "o", "y"]
+[4.17, "o", "-"]
+[4.23, "o", "l"]
+[4.29, "o", "a"]
+[4.35, "o", "y"]
+[4.41, "o", "e"]
+[4.47, "o", "r"]
+[4.7, "o", "\r\n"]
+[4.8, "o", "Cloning into 'authority-layer'...\r\n"]
+[5.2, "o", "remote: Enumerating objects: 32, done.\r\n"]
+[5.5, "o", "remote: Counting objects: 100% (32/32), done.\r\n"]
+[5.8, "o", "remote: Compressing objects: 100% (22/22), done.\r\n"]
+[6.1, "o", "Receiving objects: 100% (32/32), 14.2 KiB | 4.7 MiB/s, done.\r\n"]
+[6.4, "o", "\u001b[1;32m$\u001b[0m "]
+[6.9, "o", "c"]
+[6.97, "o", "d"]
+[7.04, "o", " "]
+[7.10, "o", "a"]
+[7.17, "o", "u"]
+[7.24, "o", "t"]
+[7.31, "o", "h"]
+[7.38, "o", "o"]
+[7.45, "o", "r"]
+[7.52, "o", "i"]
+[7.59, "o", "t"]
+[7.66, "o", "y"]
+[7.73, "o", "-"]
+[7.80, "o", "l"]
+[7.87, "o", "a"]
+[7.94, "o", "y"]
+[8.01, "o", "e"]
+[8.08, "o", "r"]
+[8.3, "o", "\r\n"]
+[8.4, "o", "\u001b[1;32m$\u001b[0m "]
+[8.9, "o", "n"]
+[8.97, "o", "p"]
+[9.04, "o", "m"]
+[9.11, "o", " "]
+[9.18, "o", "i"]
+[9.25, "o", "n"]
+[9.32, "o", "s"]
+[9.39, "o", "t"]
+[9.46, "o", "a"]
+[9.53, "o", "l"]
+[9.60, "o", "l"]
+[9.8, "o", "\r\n"]
+[10.0, "o", "\r\nadded 4 packages in 3s\r\n"]
+[10.5, "o", "\u001b[1;32m$\u001b[0m "]
+[11.0, "o", "n"]
+[11.07, "o", "p"]
+[11.14, "o", "m"]
+[11.21, "o", " "]
+[11.28, "o", "r"]
+[11.35, "o", "u"]
+[11.42, "o", "n"]
+[11.49, "o", " "]
+[11.56, "o", "e"]
+[11.63, "o", "x"]
+[11.70, "o", "a"]
+[11.77, "o", "m"]
+[11.84, "o", "p"]
+[11.91, "o", "l"]
+[11.98, "o", "e"]
+[12.2, "o", "\r\n"]
+[12.5, "o", "\r\n> example\r\n> npm run -w @authority-layer/core build && node examples/run.js\r\n"]
+[12.8, "o", "\r\n> @authority-layer/core@0.1.0 build\r\n> tsc -p tsconfig.json\r\n"]
+[13.4, "o", "\r\n\u001b[1m╔══════════════════════════════════════╗\u001b[0m\r\n"]
+[13.5, "o", "\u001b[1m║   AuthorityLayer — live demo         ║\u001b[0m\r\n"]
+[13.6, "o", "\u001b[1m╚══════════════════════════════════════╝\u001b[0m\r\n"]
+[13.7, "o", "\r\nConfig: $0.05 budget cap, 10 calls/run max\r\n"]
+[14.0, "o", "\r\n  [call 1] Response to: \"Question 1\"  spend: $0.01\r\n"]
+[14.4, "o", "  [call 2] Response to: \"Question 2\"  spend: $0.01\r\n"]
+[14.8, "o", "  [call 3] Response to: \"Question 3\"  spend: $0.01\r\n"]
+[15.2, "o", "  [call 4] Response to: \"Question 4\"  spend: $0.01\r\n"]
+[15.6, "o", "  [call 5] Response to: \"Question 5\"  spend: $0.01\r\n"]
+[16.0, "o", "\r\n  [call 6] Reporting $0.02 spend \u2014 this will exceed the cap...\r\n"]
+[16.6, "o", "\r\n\u001b[1;31m\u26d4  Execution halted\u001b[0m\r\n"]
+[17.0, "o", "\r\n\u001b[1;33m{\u001b[0m\r\n"]
+[17.1, "o", "\u001b[1;33m  \"status\": \"halted\",\u001b[0m\r\n"]
+[17.2, "o", "\u001b[1;33m  \"reason\": \"budget_exceeded\",\u001b[0m\r\n"]
+[17.3, "o", "\u001b[1;33m  \"limit\": 0.05,\u001b[0m\r\n"]
+[17.4, "o", "\u001b[1;33m  \"spent\": 0.07,\u001b[0m\r\n"]
+[17.5, "o", "\u001b[1;33m  \"event_id\": \"evt_53ab5487b37cd9c0\"\u001b[0m\r\n"]
+[17.6, "o", "\u001b[1;33m}\u001b[0m\r\n"]
+[18.0, "o", "\r\n\u2500\u2500 Event chain \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\r\n"]
+[18.2, "o", "  run.start            evt_7aa16f7c7f66ff88\r\n"]
+[18.35, "o", "  tool.call            evt_43238d9e68997b04\r\n"]
+[18.5, "o", "  tool.call            evt_861b31c10f830e31\r\n"]
+[18.65, "o", "  tool.call            evt_20b8edc908753ddd\r\n"]
+[18.8, "o", "  tool.call            evt_8785446c4b3dd394\r\n"]
+[18.95, "o", "  tool.call            evt_e0685f7884bfca27\r\n"]
+[19.1, "o", "  enforcement.halt     evt_53ab5487b37cd9c0\r\n"]
+[19.5, "o", "\r\nChain integrity : \u001b[1;32m\u2705  verified\u001b[0m\r\n"]
+[19.8, "o", "Total events    : 7\r\n"]
+[20.2, "o", "\u001b[1;32m$\u001b[0m "]
+[22.0, "o", ""]