feat: plugin-declared parallel execution, switch to env_logger, update deps

Parallel execution (opt-in via MetaPlugin::parallel_safe):
- Add Send bound to MetaPlugin, parallel_safe() method (default false)
- Override to true in digest, tokens, exec, magic_file plugins
- MetaService: std::thread::scope for initialize_plugins and process_chunk
- Extract plugins via NullMetaPlugin sentinel + std::mem::replace (no unsafe)
- Panic tracking: join errors logged, NullMetaPlugin restored and finalized
- MetaPluginExec: Box<dyn Write> -> Box<dyn Write + Send>
- SendCookie wrapper for libmagic Cookie with unsafe impl Send

Logging (stderrlog -> env_logger):
- Custom format: [SSSSSS.mmm] LEVEL [module:] message (time-since-start ms)
- Default level: Warn (matches previous behavior)
- -v: Debug, -vv+: Trace, -q: off
- -vv+ shows module path

Maintenance:
- Bump deps: thiserror 2.0, config 0.15, dns-lookup 3.0, lz4_flex 0.12,
  ringbuf 0.4, rand 0.9, lazy_static 1.5, env_logger 0.11
- Update Cargo.lock (186 transitive packages)
- Clippy fixes: is_multiple_of, to_string_in_format_args, collapsible_if
- Fix double-counting bug in TokensMetaPlugin::update
- Fix schema description using plugin.description()

Co-Authored-By: opencode <noreply@opencode.ai>

Cargo.toml

@@ -10,67 +10,67 @@ categories = ["command-line-utilities"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-anyhow = "1.0.72"
-axum = { version = "0.8.4", optional = true }
+anyhow = "1.0"
+axum = { version = "0.8", optional = true }
 derive_more = { version = "2.0", features = ["full"] }
 smart-default = "0.7"
-thiserror = "1.0"
-base64 = "0.22.1"
-chrono = { version = "0.4.26", features = ["serde"] }
-clap = { version = "4.3.10", features = ["derive", "env"] }
-config = "0.14.0"
+thiserror = "2.0"
+base64 = "0.22"
+chrono = { version = "0.4", features = ["serde"] }
+clap = { version = "4.6", features = ["derive", "env"] }
+config = "0.15"
 ctor = "0.2"
-directories = "6.0.0"
-dns-lookup = "2.0.2"
-enum-map = "2.6.1"
-flate2 = { version = "1.0.27", features = ["zlib-ng-compat"], optional = true }
+directories = "6.0"
+dns-lookup = "3.0"
+enum-map = "2.7"
+flate2 = { version = "1.0", features = ["zlib-ng-compat"], optional = true }
 futures = "0.3"
-gethostname = "1.0.2"
-humansize = "2.1.3"
+gethostname = "1.0"
+humansize = "2.1"
 async-stream = "0.3"
 hyper = { version = "1.0", features = ["full"] }
 http-body-util = "0.1"
 inventory = "0.3"
-is-terminal = "0.4.9"
-lazy_static = "1.4.0"
-libc = "0.2.147"
-local-ip-address = "0.6.5"
-log = "0.4.19"
-lz4_flex = { version = "0.11.1", optional = true }
-magic = { version = "0.13.0", optional = true }
-nix = "0.30.1"
-once_cell = "1.19.0"
-comfy-table = "7.2.0"
-pwhash = "1.0.0"
-regex = "1.9.5"
-ringbuf = "0.3"
-rmcp = { version = "0.2.0", features = ["server"], optional = true }
-rusqlite = { version = "0.37.0", features = ["bundled", "array", "chrono"] }
-rusqlite_migration = "2.3.0"
-serde = { version = "1.0.219", features = ["derive"] }
-serde_json = "1.0.142"
-serde_yaml = "0.9.34"
-sha2 = "0.10.0"
-md5 = "0.7.0"
+is-terminal = "0.4"
+lazy_static = "1.5"
+libc = "0.2"
+local-ip-address = "0.6"
+log = "0.4"
+lz4_flex = { version = "0.12", optional = true }
+magic = { version = "0.13", optional = true }
+nix = "0.30"
+once_cell = "1.21"
+comfy-table = "7.2"
+pwhash = "1.0"
+regex = "1.10"
+ringbuf = "0.4"
+rmcp = { version = "0.2", features = ["server"], optional = true }
+rusqlite = { version = "0.37", features = ["bundled", "array", "chrono"] }
+rusqlite_migration = "2.3"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+serde_yaml = "0.9"
+sha2 = "0.10"
+md5 = "0.7"
 subtle = "2.6"
-stderrlog = "0.6.0"
-strum = { version = "0.27.2", features = ["derive"] }
-term = "1.1.0"
+env_logger = "0.11"
+strum = { version = "0.27", features = ["derive"] }
+term = "1.2"
 tokio = { version = "1.0", features = ["full"] }
 tokio-stream = "0.1"
-tokio-util = "0.7.16"
-tower = { version = "0.5.2", optional = true }
-tower-http = { version = "0.6.6", features = ["cors", "fs", "trace"], optional = true }
-utoipa = { version = "5.4.0", features = ["axum_extras"], optional = true }
-utoipa-swagger-ui = { version = "9.0.2", features = ["axum"], optional = true }
-uzers = "0.12.1"
-which = "8.0.0"
-xdg = "2.5.2"
-strip-ansi-escapes = "0.2.1"
-pest = "2.8.1"
-pest_derive = "2.8.1"
-dirs = "6.0.0"
-similar = { version = "2.7.0", default-features = false, features = ["text"] }
+tokio-util = "0.7"
+tower = { version = "0.5", optional = true }
+tower-http = { version = "0.6", features = ["cors", "fs", "trace"], optional = true }
+utoipa = { version = "5.4", features = ["axum_extras"], optional = true }
+utoipa-swagger-ui = { version = "9.0", features = ["axum"], optional = true }
+uzers = "0.12"
+which = "8.0"
+xdg = "2.5"
+strip-ansi-escapes = "0.2"
+pest = "2.8"
+pest_derive = "2.8"
+dirs = "6.0"
+similar = { version = "2.7", default-features = false, features = ["text"] }
 ureq = { version = "3", features = ["json"], optional = true }
 os_pipe = { version = "1", optional = true }
 axum-server = { version = "0.8", features = ["tls-rustls"], optional = true }
@@ -118,5 +118,5 @@ tls = ["dep:axum-server"]
 tokens = ["dep:tiktoken-rs"]
 
 [dev-dependencies]
-tempfile = "3.3.0"
-rand = "0.8.5"
+tempfile = "3.3"
+rand = "0.9"