feat: create autonomous Nivora package repository

Maintain a validated cross-distribution package catalog.
Automate upstream updates, isolated builds, diagnostics, and direct publication.
Build the official GitHub Desktop sources for Linux with working OAuth.

tests/test_claude_alt.sh

@@ -0,0 +1,78 @@
+#!/bin/bash
+set -euo pipefail
+
+repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+launcher="${repo_root}/claude-desktop/claude-alt"
+icon="${repo_root}/claude-desktop/claude-alt.png"
+primary_tray_icon="${repo_root}/claude-desktop/claude-tray-orange.png"
+alternate_tray_icon="${repo_root}/claude-desktop/claude-alt-tray-turquoise.png"
+temp_dir="$(mktemp -d)"
+
+cleanup() {
+    find "$temp_dir" -mindepth 1 -delete
+    rmdir "$temp_dir"
+}
+trap cleanup EXIT
+
+mkdir -p "${temp_dir}/bin" "${temp_dir}/home"
+log="${temp_dir}/launch.log"
+
+cat >"${temp_dir}/bin/claude-alt-bin" <<'EOF'
+#!/bin/sh
+set -eu
+printf 'desktop=%s\n' "${CHROME_DESKTOP:-}" >"$NIVORA_TEST_LOG"
+printf 'arg=%s\n' "$@" >>"$NIVORA_TEST_LOG"
+EOF
+chmod 0755 "${temp_dir}/bin/claude-alt-bin"
+
+export HOME="${temp_dir}/home"
+export CLAUDE_ALT_EXECUTABLE="${temp_dir}/bin/claude-alt-bin"
+export NIVORA_TEST_LOG="$log"
+
+unset XDG_CONFIG_HOME CLAUDE_ALT_DATA_DIR CLAUDE_DESKTOP_ACCOUNT2_DIR
+"$launcher" 'claude://claude.ai/new'
+grep -Fxq 'desktop=com.anthropic.ClaudeAlt.desktop' "$log"
+grep -Fxq "arg=--user-data-dir=${HOME}/.config/ClaudeAlt" "$log"
+grep -Fxq 'arg=--class=com.anthropic.ClaudeAlt' "$log"
+grep -Fxq 'arg=claude://claude.ai/new' "$log"
+test -d "${HOME}/.config/ClaudeAlt"
+
+legacy_config="${temp_dir}/legacy-config"
+mkdir -p "${legacy_config}/Claude-Account-2"
+export XDG_CONFIG_HOME="$legacy_config"
+"$launcher"
+grep -Fxq "arg=--user-data-dir=${legacy_config}/Claude-Account-2" "$log"
+
+explicit_profile="${temp_dir}/explicit-profile"
+export CLAUDE_ALT_DATA_DIR="$explicit_profile"
+"$launcher"
+grep -Fxq "arg=--user-data-dir=${explicit_profile}" "$log"
+test -d "$explicit_profile"
+
+python3 - "$icon" "$primary_tray_icon" "$alternate_tray_icon" <<'PY'
+import struct
+import sys
+from pathlib import Path
+
+expected_sizes = {
+    Path(sys.argv[1]): (512, 512),
+    Path(sys.argv[2]): (64, 64),
+    Path(sys.argv[3]): (64, 64),
+}
+
+for path, expected_size in expected_sizes.items():
+    data = path.read_bytes()
+    if data[:8] != b"\x89PNG\r\n\x1a\n":
+        raise SystemExit(f"{path.name} is not a PNG")
+
+    width, height, bit_depth, color_type = struct.unpack(">IIBB", data[16:26])
+    if (width, height) != expected_size:
+        raise SystemExit(
+            f"{path.name} must be {expected_size[0]}x{expected_size[1]}, "
+            f"got {width}x{height}"
+        )
+    if bit_depth != 8 or color_type not in (4, 6):
+        raise SystemExit(f"{path.name} must be an 8-bit PNG with alpha")
+PY
+
+echo 'OK: ClaudeAlt launcher'