feat: robust install script with shellbrain init

Author: cucupac

docs/index.html

@@ -519,7 +519,7 @@
 
       <div class="install-line" onclick="copyInstall()" title="Click to copy">
         <span class="install-prompt">$</span>
-        <span class="install-cmd" id="installCmd">curl -L shellbrain.ai/install | bash</span>
+        <span class="install-cmd" id="installCmd">curl -L shellbrain.ai/install | bash && shellbrain init</span>
       </div>
       <div class="install-copied" id="installHint"></div>
     </div>
@@ -677,7 +677,7 @@ <h2 class="section-title">your brain. your machine. your knowledge.</h2>
   <script>
     // ── Install copy ─────────────────────────────
     function copyInstall() {
-      navigator.clipboard.writeText("curl -L shellbrain.ai/install | bash").then(() => {
+      navigator.clipboard.writeText("curl -L shellbrain.ai/install | bash && shellbrain init").then(() => {
         const hint = document.getElementById("installHint");
         hint.textContent = "copied";
         setTimeout(() => { hint.textContent = "click to copy"; }, 1600);

docs/install

@@ -1,2 +1,30 @@
-#!/bin/bash
-pip install shellbrain
+#!/usr/bin/env bash
+set -eo pipefail
+
+echo "installing shellbrain..."
+
+# Find python
+if command -v python3 &>/dev/null; then
+  PY=python3
+elif command -v python &>/dev/null; then
+  PY=python
+else
+  echo "error: python not found. install python3 first."
+  exit 1
+fi
+
+# Install with fallback chain
+$PY -m pip install --user --break-system-packages shellbrain 2>/dev/null \
+  || $PY -m pip install --user shellbrain 2>/dev/null \
+  || $PY -m pip install shellbrain
+
+echo ""
+echo "installed. initializing..."
+
+# Source profile so shellbrain is on PATH
+case $SHELL in
+  */zsh)  [ -f "$HOME/.zprofile" ] && . "$HOME/.zprofile" 2>/dev/null; [ -f "$HOME/.zshrc" ] && . "$HOME/.zshrc" 2>/dev/null ;;
+  */bash) [ -f "$HOME/.bashrc" ] && . "$HOME/.bashrc" 2>/dev/null; [ -f "$HOME/.bash_profile" ] && . "$HOME/.bash_profile" 2>/dev/null ;;
+esac
+
+shellbrain init