chore: trim Railway source build context

Author: drchirag1991

.dockerignore

@@ -5,3 +5,11 @@ target/
 *.md
 !CLAUDE.md
 node_modules/
+tests/
+docs/
+skills/
+scripts/
+.github/
+deploy/
+fuzz/
+crates/ironclaw_safety/fuzz/

Dockerfile

@@ -28,7 +28,6 @@ COPY Cargo.toml Cargo.lock ./
 COPY crates/ crates/
 COPY build.rs build.rs
 COPY src/ src/
-COPY tests/ tests/
 COPY migrations/ migrations/
 COPY registry/ registry/
 COPY channels-src/ channels-src/
@@ -56,7 +55,6 @@ COPY Cargo.toml Cargo.lock ./
 COPY crates/ crates/
 COPY build.rs build.rs
 COPY src/ src/
-COPY tests/ tests/
 COPY migrations/ migrations/
 COPY registry/ registry/
 COPY channels-src/ channels-src/