audit: comprehensive cleanup — delete 8 files, fix buffer bug, cut bloat

tests/test_breakpoints.lua

@@ -1,22 +1,14 @@
--- tests for persistent breakpoints
+local assert_eq = require("helpers").assert_eq
 local td = require("tiny-debugger")
 td.setup()
 
-local function assert_eq(a, b, msg)
-  if a ~= b then
-    error(string.format("FAIL: %s — expected %s, got %s", msg, vim.inspect(b), vim.inspect(a)))
-  end
-end
+-- global x mapping exists
+assert_eq(vim.fn.maparg("x", "n", false, true).desc, "tiny-debugger: toggle breakpoint", "global x mapping")
 
--- test 1: global x mapping exists
-local maparg = vim.fn.maparg("x", "n", false, true)
-assert_eq(maparg.desc, "tiny-debugger: toggle breakpoint", "global x mapping exists")
+-- global X mapping exists
+assert_eq(vim.fn.maparg("X", "n", false, true).desc, "tiny-debugger: conditional breakpoint", "global X mapping")
 
--- test 2: global X mapping exists
-maparg = vim.fn.maparg("X", "n", false, true)
-assert_eq(maparg.desc, "tiny-debugger: conditional breakpoint", "global X mapping exists")
-
--- test 3: persistent-breakpoints API is callable
+-- persistent-breakpoints API is callable
 local api = require("persistent-breakpoints.api")
 assert_eq(type(api.toggle_breakpoint), "function", "toggle_breakpoint is a function")
 assert_eq(type(api.set_conditional_breakpoint), "function", "set_conditional_breakpoint is a function")