lsp/config: make completion trigger characters configurable

- Add trigger_characters to JSON config and ServerOptions
- Store on server and advertise in initialize
- Update README and example config
- Preserve previous defaults when unset

1 files changed, 20 insertions, 21 deletions

diff --git a/internal/logging/logging.go b/internal/logging/logging.go
index 2e4bbc8..80231ab 100644
--- a/internal/logging/logging.go
+++ b/internal/logging/logging.go
@@ -1,18 +1,18 @@
 package logging
 
 import (
-    "fmt"
-    "log"
+	"fmt"
+	"log"
 )
 
 // ANSI color utilities shared across Hexai.
 const (
-    AnsiBgBlack = "\x1b[40m"
-    AnsiGrey    = "\x1b[90m"
-    AnsiCyan    = "\x1b[36m"
-    AnsiGreen   = "\x1b[32m"
-    AnsiRed     = "\x1b[31m"
-    AnsiReset   = "\x1b[0m"
+	AnsiBgBlack = "\x1b[40m"
+	AnsiGrey    = "\x1b[90m"
+	AnsiCyan    = "\x1b[36m"
+	AnsiGreen   = "\x1b[32m"
+	AnsiRed     = "\x1b[31m"
+	AnsiReset   = "\x1b[0m"
 )
 
 // AnsiBase is the default style: black background + grey foreground.
@@ -26,11 +26,11 @@ func Bind(l *log.Logger) { std = l }
 
 // Logf prints a formatted message with a module prefix and base ANSI style.
 func Logf(prefix, format string, args ...any) {
-    if std == nil {
-        return
-    }
-    msg := fmt.Sprintf(format, args...)
-    std.Print(AnsiBase + prefix + msg + AnsiReset)
+	if std == nil {
+		return
+	}
+	msg := fmt.Sprintf(format, args...)
+	std.Print(AnsiBase + prefix + msg + AnsiReset)
 }
 
 // Logging configuration for previews (shared)
@@ -42,12 +42,11 @@ func SetLogPreviewLimit(n int) { logPreviewLimit = n }
 
 // PreviewForLog returns the string truncated to the configured preview limit.
 func PreviewForLog(s string) string {
-    if logPreviewLimit > 0 {
-        if len(s) <= logPreviewLimit {
-            return s
-        }
-        return s[:logPreviewLimit] + "…"
-    }
-    return s
+	if logPreviewLimit > 0 {
+		if len(s) <= logPreviewLimit {
+			return s
+		}
+		return s[:logPreviewLimit] + "…"
+	}
+	return s
 }
-