chore: release v0.4.0

[randomm]

🤖 New release

• double-o: 0.3.2 -> 0.4.0 (⚠ API breaking changes)

⚠ double-o breaking changes

--- failure enum_now_doc_hidden: pub enum is now #[doc(hidden)] ---

Description:
A pub enum is now #[doc(hidden)], removing it from the crate's public API.
        ref: https://doc.rust-lang.org/rustdoc/write-documentation/the-doc-attribute.html#hidden
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.46.0/src/lints/enum_now_doc_hidden.ron

Failed in:
  enum Action in file /tmp/.tmpcVtZUG/oo/src/commands.rs:12
  enum InitFormat in file /tmp/.tmpcVtZUG/oo/src/init.rs:7

--- failure function_now_doc_hidden: pub function is now #[doc(hidden)] ---

Description:
A pub function is now #[doc(hidden)], removing it from the crate's public API.
        ref: https://doc.rust-lang.org/rustdoc/write-documentation/the-doc-attribute.html#hidden
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.46.0/src/lints/function_now_doc_hidden.ron

Failed in:
  function format_age in file /tmp/.tmpcVtZUG/oo/src/util.rs:10
  function try_index in file /tmp/.tmpcVtZUG/oo/src/commands.rs:201
  function encode_cmd in file /tmp/.tmpcVtZUG/oo/src/help.rs:10
  function cmd_help in file /tmp/.tmpcVtZUG/oo/src/commands.rs:469
  function cmd_learn in file /tmp/.tmpcVtZUG/oo/src/commands.rs:289
  function now_epoch in file /tmp/.tmpcVtZUG/oo/src/util.rs:2
  function classify_with_refs in file /tmp/.tmpcVtZUG/oo/src/commands.rs:135
  function cmd_patterns in file /tmp/.tmpcVtZUG/oo/src/commands.rs:465
  function cmd_forget in file /tmp/.tmpcVtZUG/oo/src/commands.rs:265
  function cmd_run in file /tmp/.tmpcVtZUG/oo/src/commands.rs:62
  function cmd_patterns_in in file /tmp/.tmpcVtZUG/oo/src/commands.rs:412
  function cmd_recall in file /tmp/.tmpcVtZUG/oo/src/commands.rs:221
  function parse_action in file /tmp/.tmpcVtZUG/oo/src/commands.rs:47
  function lookup in file /tmp/.tmpcVtZUG/oo/src/help.rs:33
  function cmd_init in file /tmp/.tmpcVtZUG/oo/src/commands.rs:482
  function check_and_clear_learn_status in file /tmp/.tmpcVtZUG/oo/src/commands.rs:391
  function write_learn_status in file /tmp/.tmpcVtZUG/oo/src/commands.rs:355

Changelog

[0.4.0] - 2026-03-19

Bug Fixes

• Restore full README content with code-fence ASCII logo (#84)

Features

• New ascii logo (#81)

Miscellaneous

• (chore: add documentation field and exclude block to Cargo.toml #96,chore: add badges to README.md #97) Add Cargo.toml metadata and README badges (#103)
• (chore: add CONTRIBUTING.md, CODE_OF_CONDUCT.md, and SECURITY.md #93,chore: add SPDX license header to lib.rs #101) Add community files and SPDX license header (#102)
• (chore: audit and eliminate panicking unwrap() in library code #89,chore: restrict public API surface in lib.rs to library-appropriate items #90,chore: split pattern.rs to stay under 500-line hard cap #91) Eliminate unwrap, restrict API surface, split pattern.rs (#105)

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