feat(coding-agent): add SSH URL support for git packages

Use hosted-git-info library for robust parsing of SSH URLs (git@host:path
and ssh://) in addition to HTTPS. SSH and HTTPS URLs for the same repo
are now properly deduplicated.

packages/coding-agent/package.json

@@ -49,6 +49,7 @@
 		"diff": "^8.0.2",
 		"file-type": "^21.1.1",
 		"glob": "^13.0.1",
+		"hosted-git-info": "^9.0.2",
 		"ignore": "^7.0.5",
 		"marked": "^15.0.12",
 		"minimatch": "^10.1.1",
@@ -66,6 +67,7 @@
 	},
 	"devDependencies": {
 		"@types/diff": "^7.0.2",
+		"@types/hosted-git-info": "^3.0.5",
 		"@types/ms": "^2.1.0",
 		"@types/node": "^24.3.0",
 		"@types/proper-lockfile": "^4.1.4",