style: refine Starship powerline prompt, remove initial separator, improve tmux color matching

.config/starship.toml

@@ -1,10 +1,38 @@
-# Starship prompt config — terminal only, no language segments
-# See https://starship.rs/config/ for full options
+# Starship Powerline-style prompt, matching tmux colors
+# Requires Nerd Font for separators
 
-# Basic prompt settings
-format = "$all\n$character"
+format = "\n$directory$git_branch$git_status$time\n$character"
 
-# Remove all language-specific modules
+[directory]
+style = "bg:#303030 fg:#eaeaea"
+read_only = " "
+format = "[$path](bg:#303030 fg:#eaeaea bold)[](fg:#303030 bg:#0087ff)"
+truncation_length = 4
+truncation_symbol = "…/"
+home_symbol = "~"
+truncate_to_repo = false
+
+[git_branch]
+style = "bg:#0087ff fg:#1c1c1c"
+symbol = " "
+format = "[$symbol$branch](bg:#0087ff fg:#1c1c1c bold)[](fg:#0087ff bg:#ff8700)"
+
+[git_status]
+style = "bg:#ff8700 fg:#1c1c1c"
+format = "[$all_status](bg:#ff8700 fg:#1c1c1c bold)[](fg:#ff8700 bg:#303030)"
+disabled = false
+
+[time]
+disabled = false
+style = "bg:#303030 fg:#00afff"
+format = "[$time](bg:#303030 fg:#00afff bold)"
+time_format = "%H:%M"
+
+[character]
+success_symbol = "[❯](bold blue)"
+error_symbol = "[❯](bold orange)"
+
+# Hide language segments
 [aws]
 disabled = true
 [cmake]
@@ -59,20 +87,3 @@ disabled = true
 disabled = true
 [zig]
 disabled = true
-
-# Only show basic terminal info
-[username]
-disabled = false
-[hostname]
-disabled = false
-[directory]
-disabled = false
-[git_branch]
-disabled = false
-[git_status]
-disabled = false
-
-# Character prompt
-[character]
-success_symbol = "[❯](bold green)"
-error_symbol = "[❯](bold red)"