rename dirigent_ant to dirigent_anth, binaries to anth_bear/anth_usage

Rename the Claude Code session parser crate from dirigent_ant to
dirigent_anth. Binary targets renamed: ant → anth_bear, ant_usage →
anth_usage. Module claude_usage renamed to anth_usage throughout.
Also normalizes CRLF → LF line endings across touched files.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Cargo.toml

@@ -0,0 +1,40 @@
+[package]
+name = "dirigent_anth"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+path = "src/lib.rs"
+
+[[bin]]
+name = "anth_bear"
+path = "src/bin/anth.rs"
+
+[[bin]]
+name = "anth_usage"
+path = "src/bin/anth_usage.rs"
+
+[features]
+default = []
+dirigent-paths = ["dep:dirigent_config"]
+
+[dependencies]
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+chrono = { version = "0.4", features = ["serde"] }
+chrono-tz = "0.10"
+uuid = { version = "1.11", features = ["serde"] }
+camino = { version = "1.1", features = ["serde1"] }
+dirs = "6.0"
+thiserror = "2.0"
+tracing = "0.1"
+regex = "1"
+portable-pty = "0.8"
+vt100 = "0.15"
+dirigent_config = { path = "../dirigent_config", optional = true }
+
+[dev-dependencies]
+tempfile = "3.0"
+
+[lints]
+workspace = true