build baseline: pinned sqlite + mbedtls, static musl cross targets, cli stub

src/tests.zig

@@ -0,0 +1,28 @@
+const std = @import("std");
+
+comptime {
+    _ = @import("main.zig");
+    _ = @import("version.zig");
+    _ = @import("platform/address.zig");
+    _ = @import("platform/tls_client.zig");
+    _ = @import("platform/tls_client_integration_test.zig");
+    _ = @import("platform/tls_server.zig");
+}
+
+extern fn sqlite3_libversion() [*:0]const u8;
+/// Mbed TLS documents 18 bytes as the minimum buffer size for this call.
+extern fn mbedtls_version_get_string_full(buffer: [*]u8) void;
+
+test "sqlite3 links and reports a version" {
+    const reported = std.mem.span(sqlite3_libversion());
+    try std.testing.expect(reported.len > 0);
+    try std.testing.expect(std.mem.startsWith(u8, reported, "3."));
+}
+
+test "mbedtls links and reports a version" {
+    var buffer: [32]u8 = undefined;
+    mbedtls_version_get_string_full(&buffer);
+    const reported = std.mem.sliceTo(&buffer, 0);
+    try std.testing.expect(reported.len > 0);
+    try std.testing.expect(std.mem.startsWith(u8, reported, "Mbed TLS 3.6"));
+}