Add contrib mode, and rename 'check' to 'needs'

README.md

@@ -63,7 +63,8 @@ hdi run                Just run/start commands (aliases: start, r)
 hdi test               Just test commands (alias: t)
 hdi deploy             Just deploy/release commands and platform detection (alias: d)
 hdi all                All sections (aliases: a)
-hdi check              Check if required tools are installed (alias: c)
+hdi contrib            Commands from contributor/development docs (alias: c)
+hdi needs              Check if required tools are installed (alias: n)
 hdi /path/to/project   Scan a different directory
 hdi /path/to/file.md   Parse a specific markdown file
 ```
@@ -78,7 +79,8 @@ hdi r      Run/start commands
 hdi t      Test commands
 hdi d      Deploy/release commands
 hdi a      All sections
-hdi c      Check required tools
+hdi c      Contributor/development docs
+hdi n      Check required tools
 ```
 
 ### Flags

build

@@ -16,8 +16,8 @@ sources=(
   src/display.sh
   src/render.sh
   src/picker.sh
-  src/check.sh
   src/platform.sh
+  src/needs.sh
   src/json.sh
   src/main.sh
 )

demo/demo-content.tape

@@ -83,9 +83,9 @@ Sleep 2s
 Type "q"
 Sleep 1.5s
 
-# ── Scene 5: Check mode ─────────────────────────────────────────────────────
+# ── Scene 5: Needs mode ─────────────────────────────────────────────────────
 
-Type "hdi c"
+Type "hdi n"
 Sleep 200ms
 Enter
 Sleep 3s