chore: Add typos to pipeline

.github/workflows/quality.yml

@@ -7,6 +7,9 @@ on:
         required: true
         type: string
 
+permissions:
+  contents: read
+
 env:
   CARGO_TERM_COLOR: always
 
@@ -18,6 +21,13 @@ jobs:
     steps:
       - uses: actions/checkout@v5
 
+      - uses: taiki-e/install-action@v2
+        with:
+          tool: typos@1.49.0
+
+      - name: Typos
+        run: typos
+
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: clippy

_typos.toml

@@ -0,0 +1,2 @@
+[files]
+extend-exclude = ["**/*.excalidraw"]

docs/CI.md

@@ -35,6 +35,11 @@ formatting, linting, and compile validation must pass before the test fan-out be
 
 The quality workflow performs static validation and build verification before tests run.
 
+### [Typos][typos]
+
+- `typos` checks source code and documentation for spelling mistakes.
+- Version `1.49.0` is pinned so dictionary updates do not unexpectedly break the pipeline.
+
 ### [rustfmt][rustfmt]
 
 - `cargo +nightly fmt --all` checks formatting consistency by reformatting the workspace.
@@ -67,3 +72,4 @@ The integration workflow exercises feature-backed behavior and the broader end-t
 [clippy]: https://doc.rust-lang.org/clippy/
 [docs-rs]: https://docs.rs/
 [rustfmt]: https://github.com/rust-lang/rustfmt
+[typos]: https://github.com/crate-ci/typos

docs/architecture/CAS.md

@@ -11,7 +11,7 @@ stores only four unique chunks. This can save substantial space for a supervised
 fine-tuned model whose tensors mostly remain unchanged or for a full database backup
 in which only a few records changed.
 
-<img src="../static/sparseio-cas-split-diagram.png" alt="CAS Example" width="1200"/>
+<img src="../static/sparseio-cas-split-diagram.png" alt="CAS Example" width="1000"/>
 
 ## Insertion