feat: add support for mvn test

ARCHITECTURE.md

@@ -224,7 +224,7 @@ Database: ~/.local/share/rtk/history.db
 
 ## Module Organization
 
-### Complete Module Map (30 Modules)
+### Complete Module Map (31 Modules)
 
 ```
 ┌────────────────────────────────────────────────────────────────────────┐
@@ -272,6 +272,8 @@ PYTHON            ruff_cmd.rs       ruff check/format      80%+       ✓
 GO                go_cmd.rs         go test/build/vet      75-90%     ✓
                   golangci_cmd.rs   golangci-lint          85%        ✓
 
+JAVA/JVM          mvn_cmd.rs        mvn test               99%        ✓
+
 NETWORK           wget_cmd.rs       wget                   85-95%     ✓
 
 DEPENDENCIES      deps.rs           deps                   80-90%     ✓
@@ -288,16 +290,17 @@ SHARED            utils.rs          Helpers                N/A        ✓
                   tee.rs            Full output recovery   N/A        ✓
 ```
 
-**Total: 50 modules** (32 command modules + 18 infrastructure modules)
+**Total: 51 modules** (33 command modules + 18 infrastructure modules)
 
 ### Module Count Breakdown
 
-- **Command Modules**: 31 (directly exposed to users)
+- **Command Modules**: 32 (directly exposed to users)
 - **Infrastructure Modules**: 18 (utils, filter, tracking, tee, config, init, gain, etc.)
 - **Git Commands**: 7 operations (status, diff, log, add, commit, push, branch/checkout)
 - **JS/TS Tooling**: 8 modules (modern frontend/fullstack development)
 - **Python Tooling**: 3 modules (ruff, pytest, pip)
 - **Go Tooling**: 2 modules (go test/build/vet, golangci-lint)
+- **Java/JVM Tooling**: 1 module (mvn test with passthrough for other subcommands)
 
 ---
 
@@ -385,7 +388,7 @@ Strategy            Modules              Technique               Reduction
    │ Live updates │      Final result
    └──────────────┘
 
-   Used by: wget, pnpm install (strip ANSI escape sequences)
+   Used by: wget, pnpm install, mvn (strip ANSI escape sequences, download progress)
 
 10. JSON/TEXT DUAL MODE
    ┌──────────────┐
@@ -401,7 +404,7 @@ Strategy            Modules              Technique               Reduction
    │ Mixed format │      Extract failures     Failure details
    └──────────────┘
 
-   Used by: pytest (text state machine: test_name → PASSED/FAILED)
+   Used by: pytest (text state machine: test_name → PASSED/FAILED), mvn test (preamble → test section → failures → summary)
 
 12. NDJSON STREAMING
    ┌──────────────┐
@@ -1481,6 +1484,6 @@ When implementing a new command, consider:
 
 ---
 
-**Last Updated**: 2026-02-22
-**Architecture Version**: 2.2
+**Last Updated**: 2026-02-24
+**Architecture Version**: 2.3
 **rtk Version**: 0.22.2

CLAUDE.md

@@ -206,32 +206,33 @@ rtk gain --history | grep proxy
 
 ### Module Responsibilities
 
-| Module | Purpose | Token Strategy |
-|--------|---------|----------------|
-| git.rs | Git operations | Stat summaries + compact diffs |
-| grep_cmd.rs | Code search | Group by file, truncate lines |
-| ls.rs | Directory listing | Tree format, aggregate counts |
-| read.rs | File reading | Filter-level based stripping |
-| runner.rs | Command execution | Stderr only (err), failures only (test) |
-| log_cmd.rs | Log parsing | Deduplication with counts |
-| json_cmd.rs | JSON inspection | Structure without values |
-| lint_cmd.rs | ESLint/Biome linting | Group by rule, file summary (84% reduction) |
-| tsc_cmd.rs | TypeScript compiler | Group by file/error code (83% reduction) |
-| next_cmd.rs | Next.js build/dev | Route metrics, bundle stats only (87% reduction) |
-| prettier_cmd.rs | Format checking | Files needing changes only (70% reduction) |
-| playwright_cmd.rs | E2E test results | Failures only, grouped by suite (94% reduction) |
-| prisma_cmd.rs | Prisma CLI | Strip ASCII art and verbose output (88% reduction) |
-| gh_cmd.rs | GitHub CLI | Compact PR/issue/run views (26-87% reduction) |
-| vitest_cmd.rs | Vitest test runner | Failures only with ANSI stripping (99.5% reduction) |
-| pnpm_cmd.rs | pnpm package manager | Compact dependency trees (70-90% reduction) |
-| ruff_cmd.rs | Ruff linter/formatter | JSON for check, text for format (80%+ reduction) |
-| pytest_cmd.rs | Pytest test runner | State machine text parser (90%+ reduction) |
-| 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) |
-| 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 |
+| Module | Purpose | Token Strategy                                                  |
+|--------|---------|-----------------------------------------------------------------|
+| git.rs | Git operations | Stat summaries + compact diffs                                  |
+| grep_cmd.rs | Code search | Group by file, truncate lines                                   |
+| ls.rs | Directory listing | Tree format, aggregate counts                                   |
+| read.rs | File reading | Filter-level based stripping                                    |
+| runner.rs | Command execution | Stderr only (err), failures only (test)                         |
+| log_cmd.rs | Log parsing | Deduplication with counts                                       |
+| json_cmd.rs | JSON inspection | Structure without values                                        |
+| lint_cmd.rs | ESLint/Biome linting | Group by rule, file summary (84% reduction)                     |
+| tsc_cmd.rs | TypeScript compiler | Group by file/error code (83% reduction)                        |
+| next_cmd.rs | Next.js build/dev | Route metrics, bundle stats only (87% reduction)                |
+| prettier_cmd.rs | Format checking | Files needing changes only (70% reduction)                      |
+| playwright_cmd.rs | E2E test results | Failures only, grouped by suite (94% reduction)                 |
+| prisma_cmd.rs | Prisma CLI | Strip ASCII art and verbose output (88% reduction)              |
+| gh_cmd.rs | GitHub CLI | Compact PR/issue/run views (26-87% reduction)                   |
+| vitest_cmd.rs | Vitest test runner | Failures only with ANSI stripping (99.5% reduction)             |
+| pnpm_cmd.rs | pnpm package manager | Compact dependency trees (70-90% reduction)                     |
+| ruff_cmd.rs | Ruff linter/formatter | JSON for check, text for format (80%+ reduction)                |
+| pytest_cmd.rs | Pytest test runner | State machine text parser (90%+ reduction)                      |
+| 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)                     |
+| mvn_cmd.rs | Maven commands | State machine parser, strip downloads/lifecycle (99% 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   |
 
 ## Performance Constraints
 

README.md

@@ -175,6 +175,7 @@ rtk pytest                       # Python tests (failures only, 90% reduction)
 rtk pip list                     # Python packages (auto-detect uv, 70% reduction)
 rtk go test                      # Go tests (NDJSON, 90% reduction)
 rtk golangci-lint run            # Go linting (JSON, 85% reduction)
+rtk mvn test                     # Maven tests (state machine, 99% reduction)
 ```
 
 ### Data & Analytics
@@ -282,6 +283,11 @@ rtk go test                      # NDJSON streaming parser (90% reduction)
 rtk go build                     # Build errors only (80% reduction)
 rtk go vet                       # Vet issues (75% reduction)
 rtk golangci-lint run            # JSON grouped by rule (85% reduction)
+
+# Maven
+rtk mvn test                     # Strip downloads/lifecycle, failures only (99% reduction)
+rtk mvn test -pl module-a        # Multi-module with Maven args passthrough
+rtk mvn package                  # Passthrough for non-test subcommands
 ```
 
 ## Examples
@@ -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` |
+| `mvn test/package/...` | `rtk mvn ...` |
 | `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/')"
+
+# --- Maven tooling ---
+elif echo "$MATCH_CMD" | grep -qE '^(\.?/?mvnw?|mvn)[[:space:]]+test([[:space:]]|$)'; then
+  REWRITTEN="${ENV_PREFIX}$(echo "$CMD_BODY" | sed -E 's/^(\.?\/?mvnw?|mvn) test/rtk mvn test/')"
+elif echo "$MATCH_CMD" | grep -qE '^(\.?/?mvnw?|mvn)[[:space:]]'; then
+  REWRITTEN="${ENV_PREFIX}$(echo "$CMD_BODY" | sed -E 's/^(\.?\/?mvnw?|mvn) /rtk mvn /')"
 fi
 
 # If no rewrite needed, approve as-is

scripts/test-all.sh

@@ -413,20 +413,31 @@ else
     skip "golangci-lint not installed"
 fi
 
-# ── 29. Global flags ────────────────────────────────
+# ── 29. Maven (conditional) ────────────────────────
+
+section "Maven (conditional)"
+
+if command -v mvn &>/dev/null; then
+    assert_help    "rtk mvn"                       rtk mvn --help
+    assert_help    "rtk mvn test"                   rtk mvn test -h
+else
+    skip "maven not installed"
+fi
+
+# ── 30. Global flags ────────────────────────────────
 
 section "Global flags"
 
 assert_ok      "rtk -u ls ."                  rtk -u ls .
 assert_ok      "rtk --skip-env npm --help"    rtk --skip-env npm --help
 
-# ── 30. CcEconomics ─────────────────────────────────
+# ── 31. CcEconomics ─────────────────────────────────
 
 section "CcEconomics"
 
 assert_ok      "rtk cc-economics"             rtk cc-economics
 
-# ── 31. Learn ───────────────────────────────────────
+# ── 32. Learn ───────────────────────────────────────
 
 section "Learn"
 

src/discover/registry.rs

@@ -70,6 +70,7 @@ const PATTERNS: &[&str] = &[
     r"^kubectl\s+(get|logs)",
     r"^curl\s+",
     r"^wget\s+",
+    r"^(?:\.?/?mvnw?|mvn)\s+(test|compile|package|install|clean|verify)",
 ];
 
 const RULES: &[RtkRule] = &[
@@ -225,6 +226,13 @@ const RULES: &[RtkRule] = &[
         subcmd_savings: &[],
         subcmd_status: &[],
     },
+    RtkRule {
+        rtk_cmd: "rtk mvn",
+        category: "Build",
+        savings_pct: 99.0,
+        subcmd_savings: &[("test", 99.0)],
+        subcmd_status: &[],
+    },
 ];
 
 /// Commands to ignore (shell builtins, trivial, already rtk).
@@ -699,6 +707,45 @@ mod tests {
         }
     }
 
+    #[test]
+    fn test_classify_mvn_test() {
+        assert_eq!(
+            classify_command("mvn test"),
+            Classification::Supported {
+                rtk_equivalent: "rtk mvn",
+                category: "Build",
+                estimated_savings_pct: 99.0,
+                status: RtkStatus::Existing,
+            }
+        );
+    }
+
+    #[test]
+    fn test_classify_mvnw_test() {
+        assert_eq!(
+            classify_command("./mvnw test -pl module-a"),
+            Classification::Supported {
+                rtk_equivalent: "rtk mvn",
+                category: "Build",
+                estimated_savings_pct: 99.0,
+                status: RtkStatus::Existing,
+            }
+        );
+    }
+
+    #[test]
+    fn test_classify_mvn_package() {
+        assert_eq!(
+            classify_command("mvn package -DskipTests"),
+            Classification::Supported {
+                rtk_equivalent: "rtk mvn",
+                category: "Build",
+                estimated_savings_pct: 99.0,
+                status: RtkStatus::Existing,
+            }
+        );
+    }
+
     #[test]
     fn test_split_chain_and() {
         assert_eq!(split_command_chain("a && b"), vec!["a", "b"]);

src/main.rs

@@ -26,6 +26,7 @@ mod lint_cmd;
 mod local_llm;
 mod log_cmd;
 mod ls;
+mod mvn_cmd;
 mod next_cmd;
 mod npm_cmd;
 mod parser;
@@ -522,6 +523,12 @@ enum Commands {
         command: GoCommands,
     },
 
+    /// Maven commands with compact output
+    Mvn {
+        #[command(subcommand)]
+        command: MvnCommands,
+    },
+
     /// golangci-lint with compact output
     #[command(name = "golangci-lint")]
     GolangciLint {
@@ -852,6 +859,19 @@ enum GoCommands {
     Other(Vec<OsString>),
 }
 
+#[derive(Subcommand)]
+enum MvnCommands {
+    /// Run tests with compact output (99% token reduction)
+    Test {
+        /// Additional mvn test arguments (e.g., -pl module-a, -Dtest=FooTest)
+        #[arg(trailing_var_arg = true, allow_hyphen_values = true)]
+        args: Vec<String>,
+    },
+    /// Passthrough: runs any unsupported mvn subcommand directly
+    #[command(external_subcommand)]
+    Other(Vec<OsString>),
+}
+
 fn main() -> Result<()> {
     let cli = Cli::parse();
 
@@ -1423,6 +1443,15 @@ fn main() -> Result<()> {
             }
         },
 
+        Commands::Mvn { command } => match command {
+            MvnCommands::Test { args } => {
+                mvn_cmd::run_test(&args, cli.verbose)?;
+            }
+            MvnCommands::Other(args) => {
+                mvn_cmd::run_other(&args, cli.verbose)?;
+            }
+        },
+
         Commands::GolangciLint { args } => {
             golangci_cmd::run(&args, cli.verbose)?;
         }
@@ -1546,4 +1575,35 @@ mod tests {
             _ => panic!("Expected Git Commit command"),
         }
     }
+
+    #[test]
+    fn test_mvn_test_parsing() {
+        let cli = Cli::try_parse_from(["rtk", "mvn", "test", "-pl", "module-a", "-Dtest=FooTest"])
+            .unwrap();
+        match cli.command {
+            Commands::Mvn {
+                command: MvnCommands::Test { args },
+            } => {
+                assert_eq!(args, vec!["-pl", "module-a", "-Dtest=FooTest"]);
+            }
+            _ => panic!("Expected Mvn Test command"),
+        }
+    }
+
+    #[test]
+    fn test_mvn_passthrough() {
+        let cli = Cli::try_parse_from(["rtk", "mvn", "package", "-DskipTests"]).unwrap();
+        match cli.command {
+            Commands::Mvn {
+                command: MvnCommands::Other(args),
+            } => {
+                let strs: Vec<String> = args
+                    .iter()
+                    .map(|a| a.to_string_lossy().into_owned())
+                    .collect();
+                assert_eq!(strs, vec!["package", "-DskipTests"]);
+            }
+            _ => panic!("Expected Mvn Other command"),
+        }
+    }
 }