cargo-rail: testing found two bugs w/ 'prune_dead_features' that needed to be fixed.

Author: loadingalias

.gitignore

@@ -27,6 +27,8 @@ ARCHITECTURE.md
 style.md
 demos/
 test.md
+examples/RECORDING_TEMPLATE.md
+examples/issues.md
 
 # Cargo-Rail (Testing)
 *rail.toml

README.md

@@ -198,6 +198,7 @@ tokio = { version = "1.5" }  # ← stays exactly here
 | `init` | Generate `rail.toml` configuration |
 | `check` | Validate release readiness |
 | `clean` | Remove generated artifacts |
+| `config` | Validate configuration file |
 
 Run `cargo rail <command> --help` for details, or see [docs/commands.md](docs/commands.md)
 

examples/README.md

@@ -14,19 +14,18 @@ Each subdirectory contains:
 
 | Project | Focus | Key Result |
 |---------|-------|------------|
-| [codex](./codex/) | AI CLI (48 crates) | 2 deps unified, 132 transitives pinned |
+| [codex](./codex/) | AI CLI (48 crates) | 2 deps unified, 19 edits saved |
 | [helix](./helix/) | Text editor (13 crates) | 16 deps unified, 66 edits saved |
 | [helix-db](./helix-db/) | Graph database (6 crates) | 16 deps unified, 44 edits saved |
-| [iced](./iced/) | GUI framework (71 crates) | 6 deps unified, 161 transitives pinned |
-| [jj](./jj/) | Git-compatible VCS (5 crates) | Well-maintained, 109 transitives |
+| [iced](./iced/) | GUI framework (71 crates) | 6 deps unified, 20 edits saved |
+| [jj](./jj/) | Git-compatible VCS (5 crates) | Well-maintained, minimal changes |
 | [meilisearch](./meilisearch/) | Search engine (19 crates) | 46 deps unified, 209 edits saved |
-| [neon](./neon/) | Serverless Postgres (49 crates) | Uses hakari, pin_transitives=true |
-| [polars](./polars/) | DataFrame library (33 crates) | Well-maintained, 2 deps unified |
+| [polars](./polars/) | DataFrame library (33 crates) | Well-maintained, 214 dead features pruned |
 | [ripgrep](./ripgrep/) | Search tool (10 crates) | 9 deps unified, 35 edits saved |
-| [ruff](./ruff/) | Python linter (43 crates) | Well-maintained, 86 transitives |
+| [ruff](./ruff/) | Python linter (43 crates) | Well-maintained, minimal changes |
 | [tikv](./tikv/) | Distributed KV (83 crates) | 57 deps unified, 516 edits saved |
 | [tokio](./tokio/) | Async runtime (10 crates) | 10 deps unified, 35 edits saved |
-| [vello](./vello/) | GPU 2D rendering (26 crates) | 7 deps unified, 70 transitives |
+| [vello](./vello/) | GPU 2D rendering (26 crates) | 7 deps unified, 17 edits saved |
 
 ## Quick Start
 

examples/codex/README.md

@@ -30,10 +30,11 @@ cargo rail affected --since HEAD~5
 | Metric | Value |
 |--------|-------|
 | Workspace members | 48 |
-| Dependencies unified | 0 |
-| Transitives pinned | 20 |
+| Dependencies unified | 2 |
+| Member edits | 19 |
+| Dead features pruned | 2 |
 
-**Note:** Already well-maintained, no direct unification needed.
+**Note:** Mixed TS/Rust repo, workspace in `codex-rs/`.
 
 ## Configuration
 

examples/codex/demo.gif

@@ -9,12 +9,14 @@ lock_deps = 757
 [unify]
 deps_unified = 2
 member_edits = 19
-transitives_pinned = 132
+transitives_pinned = 0
+dead_features_pruned = 2
 deps = ["reqwest", "serde"]
 
 [config]
 special = false
-pin_transitives = false # No workspace-hack
+pin_transitives = false  # No workspace-hack
 msrv = true
 detect_unused = true
+prune_dead_features = true
 note = "Mixed TS/Rust repo, workspace in codex-rs/"

examples/codex/summary.toml

@@ -32,6 +32,7 @@ cargo rail affected --since HEAD~5
 | Workspace members | 6 |
 | Dependencies unified | 16 |
 | Member edits | 44 |
+| Dead features pruned | 8 |
 | Transitives pinned | 0 |
 
 **Dependencies unified:** reqwest, inventory, uuid, heed3, clap, rand, flume, tokio, dotenvy, tempfile, serde_json, chrono, num_cpus, tracing, serde, bumpalo

examples/helix-db/README.md

@@ -10,6 +10,7 @@ lock_deps = 523
 deps_unified = 16
 member_edits = 44
 transitives_pinned = 0
+dead_features_pruned = 8
 deps = [
     "clap",
     "uuid",