feat: add Gradle test filter support

.claude/hooks/rtk-rewrite.sh

@@ -195,6 +195,12 @@ elif echo "$MATCH_CMD" | grep -qE '^go[[:space:]]+vet([[:space:]]|$)'; then
   REWRITTEN="${ENV_PREFIX}$(echo "$CMD_BODY" | sed 's/^go vet/rtk go vet/')"
 elif echo "$MATCH_CMD" | grep -qE '^golangci-lint([[:space:]]|$)'; then
   REWRITTEN="${ENV_PREFIX}$(echo "$CMD_BODY" | sed 's/^golangci-lint/rtk golangci-lint/')"
+
+# --- JVM tooling (Gradle) ---
+elif echo "$MATCH_CMD" | grep -qE '^\./gradlew[[:space:]]'; then
+  REWRITTEN="${ENV_PREFIX}$(echo "$CMD_BODY" | sed 's/^\.\/gradlew /rtk gradle /')"
+elif echo "$MATCH_CMD" | grep -qE '^gradle[[:space:]]'; then
+  REWRITTEN="${ENV_PREFIX}$(echo "$CMD_BODY" | sed 's/^gradle /rtk gradle /')"
 fi
 
 # If no rewrite needed, approve as-is

.claude/hooks/rtk-suggest.sh

@@ -133,6 +133,12 @@ elif echo "$FIRST_CMD" | grep -qE '^wget\s+'; then
 # --- pnpm package management ---
 elif echo "$FIRST_CMD" | grep -qE '^pnpm\s+(list|ls|outdated)(\s|$)'; then
   SUGGESTION=$(echo "$CMD" | sed 's/^pnpm /rtk pnpm /')
+
+# --- JVM tooling (Gradle) ---
+elif echo "$FIRST_CMD" | grep -qE '^\./gradlew\s'; then
+  SUGGESTION=$(echo "$CMD" | sed 's/^\.\/gradlew /rtk gradle /')
+elif echo "$FIRST_CMD" | grep -qE '^gradle\s'; then
+  SUGGESTION=$(echo "$CMD" | sed 's/^gradle /rtk gradle /')
 fi
 
 # If no suggestion, allow command as-is

CLAUDE.md

@@ -229,6 +229,7 @@ rtk gain --history | grep proxy
 | pip_cmd.rs | pip/uv package manager | JSON parsing, auto-detect uv (70-85% reduction) |
 | go_cmd.rs | Go commands | NDJSON for test, text for build/vet (80-90% reduction) |
 | golangci_cmd.rs | golangci-lint | JSON parsing, group by rule (85% reduction) |
+| gradle_cmd.rs | Gradle commands | Failures only for test (70% reduction) |
 | tee.rs | Full output recovery | Save raw output to file on failure, print hint for LLM re-read |
 | utils.rs | Shared utilities | Package manager detection, common formatting |
 | discover/ | Claude Code history analysis | Scan JSONL sessions, classify commands, report missed savings |

README.md

@@ -284,6 +284,12 @@ rtk go vet                       # Vet issues (75% reduction)
 rtk golangci-lint run            # JSON grouped by rule (85% reduction)
 ```
 
+### JVM Stack (Gradle)
+```bash
+rtk gradle test                  # Test failures only (70% reduction)
+rtk gradle <any-task>            # Passthrough for other tasks
+```
+
 ## Examples
 
 ### Standard vs rtk
@@ -625,6 +631,7 @@ The hook is included in this repository at `.claude/hooks/rtk-rewrite.sh`. To us
 | `pip list/install/outdated` | `rtk pip ...` |
 | `go test/build/vet` | `rtk go ...` |
 | `golangci-lint run` | `rtk golangci-lint run` |
+| `gradle/gradlew test` | `rtk gradle test` |
 | `docker ps/images/logs` | `rtk docker ...` |
 | `kubectl get/logs` | `rtk kubectl ...` |
 | `curl` | `rtk curl` |

hooks/rtk-rewrite.sh

@@ -185,6 +185,12 @@ elif echo "$MATCH_CMD" | grep -qE '^go[[:space:]]+vet([[:space:]]|$)'; then
   REWRITTEN="${ENV_PREFIX}$(echo "$CMD_BODY" | sed 's/^go vet/rtk go vet/')"
 elif echo "$MATCH_CMD" | grep -qE '^golangci-lint([[:space:]]|$)'; then
   REWRITTEN="${ENV_PREFIX}$(echo "$CMD_BODY" | sed 's/^golangci-lint/rtk golangci-lint/')"
+
+# --- JVM tooling (Gradle) ---
+elif echo "$MATCH_CMD" | grep -qE '^\./gradlew[[:space:]]'; then
+  REWRITTEN="${ENV_PREFIX}$(echo "$CMD_BODY" | sed 's/^\.\/gradlew /rtk gradle /')"
+elif echo "$MATCH_CMD" | grep -qE '^gradle[[:space:]]'; then
+  REWRITTEN="${ENV_PREFIX}$(echo "$CMD_BODY" | sed 's/^gradle /rtk gradle /')"
 fi
 
 # If no rewrite needed, approve as-is

hooks/test-rtk-rewrite.sh

@@ -247,6 +247,26 @@ test_rewrite "pnpm vitest run --coverage" \
 
 echo ""
 
+# ---- SECTION: Gradle ----
+echo "--- Gradle ---"
+test_rewrite "gradle test" \
+  "gradle test" \
+  "rtk gradle test"
+
+test_rewrite "./gradlew test" \
+  "./gradlew test --tests com.example.MyTest" \
+  "rtk gradle test --tests com.example.MyTest"
+
+test_rewrite "gradle :app:test" \
+  "gradle :app:test" \
+  "rtk gradle :app:test"
+
+test_rewrite "./gradlew :app:test" \
+  "./gradlew :app:test --tests com.example.MyTest" \
+  "rtk gradle :app:test --tests com.example.MyTest"
+
+echo ""
+
 # ---- SECTION 5: Should NOT rewrite ----
 echo "--- Should NOT rewrite ---"
 test_rewrite "already rtk" \

scripts/test-all.sh

@@ -433,6 +433,12 @@ section "Learn"
 assert_ok      "rtk learn --help"             rtk learn --help
 assert_ok      "rtk learn (no sessions)"      rtk learn --since 0 2>&1 || true
 
+# ── 32. Gradle ─────────────────────────────────────
+
+section "Gradle"
+
+assert_help    "rtk gradle test"               rtk gradle test -h
+
 # ══════════════════════════════════════════════════════
 # Report
 # ══════════════════════════════════════════════════════