Return owned text and share cell attribute flags with snapshots

Make text queries return allocated strings released with term_text_free, keeping each capture atomic. Align public attributes with the write core, remove snapshot conversion tables, and migrate tests and the Kitty adapter.

1 files changed, 13 insertions, 10 deletions

diff --git a/src/term.c b/src/term.c
index 583bdd8..1b16670 100644
--- a/src/term.c
+++ b/src/term.c
@@ -104,22 +104,25 @@ void term_focus(struct term *t, bool focused)
     term_write_end(t);
 }
 
-size_t term_cwd(const struct term *t, char *buf, size_t cap)
+char *term_cwd(const struct term *t)
 {
-    if (!t)
-        return term_copy_out(NULL, buf, cap);
+    if (!t) return NULL;
     term_write_begin((struct term *)t);
-    size_t n = term_copy_out(t->cwd, buf, cap);
+    char *text = t->cwd ? term_strdup(t->cwd) : NULL;
     term_write_end((struct term *)t);
-    return n;
+    return text;
 }
 
-size_t term_pointer_shape(const struct term *t, char *buf, size_t cap)
+char *term_pointer_shape(const struct term *t)
 {
-    if (!t)
-        return term_copy_out(NULL, buf, cap);
+    if (!t) return NULL;
     term_write_begin((struct term *)t);
-    size_t n = term_copy_out(t->pointer_shape, buf, cap);
+    char *text = t->pointer_shape ? term_strdup(t->pointer_shape) : NULL;
     term_write_end((struct term *)t);
-    return n;
+    return text;
+}
+
+void term_text_free(char *text)
+{
+    free(text);
 }