refactor: support Flix 0.67.1

.claude/settings.local.json

@@ -0,0 +1,15 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(java -jar flix.jar build:*)",
+      "Bash(1)",
+      "Bash(grep:*)",
+      "WebSearch",
+      "WebFetch(domain:api.flix.dev)",
+      "Bash(java -jar flix.jar run:*)",
+      "WebFetch(domain:doc.flix.dev)"
+    ],
+    "deny": [],
+    "ask": []
+  }
+}

.gitignore

@@ -1,2 +1,5 @@
 /.idea
 *.iml
+*.jar
+NUL
+old

CLAUDE.md

@@ -0,0 +1,43 @@
+# BibBlitz
+
+A DOI-to-BibTeX converter written in Flix that fetches bibliographic metadata from the CrossRef API.
+
+## Flix Resources
+
+Use these resources to lookup how to use Flix.
+
+### Flix Documentation
+
+The Flix documentation can be found at https://doc.flix.dev/
+
+### Flix API
+
+The Flix API can be found at https://api.flix.dev/
+
+### Flix Examples
+
+Useful Flix examples can be found at https://github.com/flix/flix/tree/master/examples
+
+### JSON API
+
+The JSON API can be found at https://github.com/mlutze/flix-json/activity
+
+## Development Workflow
+
+### Checking Compilation
+
+Check if the project compiles by running:
+
+```bash
+java -jar flix.jar check
+```
+
+IMPORTANT: Always run this command after every refactor to ensure the code compiles correctly.
+
+### Running the Program
+
+Run the main program with:
+
+```bash
+java -jar flix.jar run
+```