fix(install): add missing vibe platform to install.ps1 + cross-script parity test - #548

Process completed with exit code 1.

AssertionError: expected 0 to be greater than or equal to 10 ❯ tests/install/platform-table-consistency.test.mjs:116:29

AssertionError: expected [ 'antigravity', 'cline', …(12) ] to deeply equal [] - Expected + Received - [] + [ + "antigravity", + "cline", + "codex", + "gemini", + "hermes", + "kimi", + "kiro", + "nanobot", + "openclaw", + "opencode", + "pi", + "trae", + "vibe", + "vscode", + ] ❯ tests/install/platform-table-consistency.test.mjs:108:35

AssertionError: expected [ Array(14) ] to deeply equal [] - Expected + Received - [] + [ + "gemini", + "codex", + "opencode", + "pi", + "openclaw", + "antigravity", + "vibe", + "vscode", + "hermes", + "cline", + "kimi", + "trae", + "nanobot", + "kiro", + ] ❯ tests/install/platform-table-consistency.test.mjs:84:38

AssertionError: expected 0 to be greater than or equal to 10 ❯ tests/install/platform-table-consistency.test.mjs:76:27