docs: rename "documentation site" to "project wiki"

Consistent terminology across README, CONTRIBUTING, and CI step name.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

.github/workflows/ci.yml

@@ -109,7 +109,7 @@ jobs:
       - name: Generate site content
         run: python3 docs/build-manual.py --site
 
-      - name: Build documentation site
+      - name: Build project wiki
         working-directory: docs/site
         run: |
           npm ci

CONTRIBUTING.md

@@ -502,7 +502,7 @@ category; this isn't something to force.
 ## Documentation Pipeline
 
 `docs/manual/` is the single source of truth for the user manual, man page,
-and documentation site. **Never hand-edit `docs/fish-config.md` or
+and project wiki. **Never hand-edit `docs/fish-config.md` or
 `docs/fish-config.1`** — they're generated by `docs/build-manual.py` from
 `docs/manual/**` plus every function's doc-header (see above), verified by
 `docs/verify-manual.py`, and auto-committed by CI on push to `main`

README.md

@@ -5,7 +5,7 @@ built around a Catppuccin Mocha aesthetic with a curated set of modern
 CLI tool integrations, smart shell functions, and a heavily customized
 abbreviation system for keyboard-driven workflows.
 
-📖 **[Documentation site](https://fish.rootiest.fyi/)**
+📖 **[Project Wiki](https://fish.rootiest.fyi/)**
 
 ## Table of Contents
 
@@ -159,7 +159,7 @@ To browse the docs from the terminal:
 |---|---|
 | `help config` | Open the terminal manual in the best available pager |
 | `help config <keyword>` | Jump directly to a section matching the keyword |
-| `help config --html` | Open the documentation site in the default browser |
+| `help config --html` | Open the project wiki in the default browser |
 | `help config --man` | Open the compiled man page via `man -l` |
 | `help config <keyword> --man` | Open the man page jumping to the nearest match |
 | `repo-open` | Open this repo's web page in the browser (deep-links to the current branch and sub-directory) |