Fix CI: patch vscode-jsonrpc exports map to support @github/copilot-sdk 0.1.32

[Copilot]

@github/copilot-sdk 0.1.32 imports vscode-jsonrpc/node and vscode-jsonrpc/node.js as ESM subpaths, but vscode-jsonrpc 8.2.1 ships without an exports field — Node's strict ESM resolver can't locate those subpaths, crashing all tests at import time.

Changes

• scripts/patch-vscode-jsonrpc.cjs — adds the missing exports map to the installed vscode-jsonrpc package, exposing both ./node and ./node.js subpaths that point to the existing node.js file
• package.json — wires the script as a postinstall hook so it runs automatically after every npm ci / npm install

The patch is idempotent and silently skips if vscode-jsonrpc is absent (e.g. production installs). Any unexpected error (permissions, malformed JSON) is surfaced as a warning rather than swallowed.

// Added to node_modules/vscode-jsonrpc/package.json after install
"exports": {
  ".":          { "default": "./lib/node/main.js", "types": "./lib/common/api.d.ts" },
  "./node":     { "default": "./node.js",           "types": "./node.d.ts" },
  "./node.js":  { "default": "./node.js",           "types": "./node.d.ts" }
}

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[Copilot]

Just as a heads up, I was blocked by some firewall rules while working on your feedback. Expand below for details.

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• https://api.github.com/copilot_internal/user
  • Triggering command: /opt/hostedtoolcache/node/24.14.0/x64/bin/node /opt/hostedtoolcache/node/24.14.0/x64/bin/node /home/REDACTED/work/katt/katt/node_modules/@github/copilot/index.js --headless --no-auto-update --log-level debug --stdio git ame (http block)
  • Triggering command: /opt/hostedtoolcache/node/24.14.0/x64/bin/node /opt/hostedtoolcache/node/24.14.0/x64/bin/node /home/REDACTED/work/katt/katt/node_modules/@github/copilot/index.js --headless --no-auto-update --log-level debug --stdio it ame (http block)
  • Triggering command: /opt/hostedtoolcache/node/24.14.0/x64/bin/node /opt/hostedtoolcache/node/24.14.0/x64/bin/node /home/REDACTED/work/katt/katt/node_modules/@github/copilot/index.js --headless --no-auto-update --log-level debug --stdio p/bin/bash essage)) (http block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to the custom allowlist in this repository's Copilot coding agent settings (admins only)