feat: grow memory limits, add icon/actor libraries, overhaul LSP diagnostics

Compiler and VM
- make every memory map limit dynamic and adjustable at both build time and
  runtime, including compiler tables, stacks, and every execution region
- reserve and grow tables, operand and return stacks, frame segments, and
  image-building output without relocating live code or globals
- rename i/o and string helpers consistently (puts -> put_s, putn -> put_n,
  scat -> cat_s) across compiler, runtime, examples, tests, and docs
- recast and consume values assigned to globals from inside functions
- allow fixed and const together, add typed closure returns (fn:t(...)),
  multi-include syntax (include rt, run, core;), and recurse type inference
- never infer string literals as word, anywhere, as argument, variable, or
  return type
- draft docs/BORROW.md: a borrow checker less intrusive than Rust's but more
  intelligent

LSP and editor integration
- require explicit includes and give every toolchain area its own namespace
  (rt, lsp, run, core)
- hover for built-in types, inferred types, values known at hover time, array
  and pointer lifetime/size, library names in include statements, and inferred
  lifetimes with explanations
- honor /* */ comments as documentation for variables and arguments, and stop
  misattributing section headers or trailing comments as variable hints
- stream diagnostics and cancel stale requests on change
- jump to definition and references, including cross-file
- quick fixes with automatic library import, and namespace completion

Hints and diagnostics
- render hints as blue squigglies by default, with hints on/small/off per file
- suppress magic-number hints via a preceding /* */ comment, and say so
- warn on unused arguments; allow multiple _ discards in parameters, pattern
  matching, and tagged enums, warning if a _ is actually used
- rewrite hint and comment prose in professional compiler-doc register

Libraries
- add icon.zc: run-time self-modification, find/replace syntax, type and block
  edits, and step-through inspection of locals and globals
- add actor.zc: async actors with Actor<I,O>, implicit this, spawn/recv/send,
  injected into the compiler machinery at include time rather than built in

Tooling and docs
- reorganize sources, tests, and designs into subdirectories
- unify windows entry points in tinyvm.bat and add a matching tinyvm.sh
- add --help across the toolchain
- polish the learning guide, stdlib docs, and design notes

Tests
- add accept, reject, and regression coverage across the compiler, LSP,
- runtime, icon, actors, threads, formatting, and the toolchain contracts,
  plus fuzzers and property tests

1 files changed, 12 insertions, 12 deletions

diff --git a/tests/programs/annotate.expected b/tests/programs/annotate.expected
index 553353e..c22eb66 100644
--- a/tests/programs/annotate.expected
+++ b/tests/programs/annotate.expected
@@ -1,10 +1,10 @@
-// zclsp --annotate writes the types the compiler can see into a program that
-// has none. this one has none: locals take the type of what they start as, a
-// parameter takes the type every call gives it, and a function the type of
-// what it returns. what it can't tell it leaves alone (twice is called with
-// a plain word, so its parameter stays), and the program still means the
-// same thing: tests/test.sh runs both and compares.
-include "src/lib/std.zc";
+namespace;
+include rt;
+
+// --annotate adds type annotations inferred from declarations and calls.
+// unresolved types remain unchanged, and annotations do not add conversions.
+// tests/test.sh compares this program's output before and after annotation.
+include std;
 struct point { int x, y; };
 int calls = 0;
 char* name = "annotate";
@@ -12,12 +12,12 @@ int table[4];
 int add(int a, int b) { calls = calls + 1; return a + b; }
 point* scale(point* p, int k) { p.x = p.x * k; p.y = p.y * k; return p; }
 point*.u fresh(int x, int y) {
-	point* p = new(point);
+	point* p = rt.new(point);
 	p.x = x; p.y = y;
 	return u*p;
 }
-int twice(int v) { return v + v; }
-fn len3(char* s) { return len_w(s) + 3; }
+fn twice(v) { return v + v; }
+fn len3(char* s) { return rt.len_w(s) + 3; }
 fn half(f) { return f / 2.0; }
 int main() {
 	int i = 0, sum = 0, buf[6];
@@ -27,7 +27,7 @@ int main() {
 	while (i < 4) { table[i] = add(i, 10); sum = sum + table[i]; i++; }
 	scale(pt, 3);
 	buf[0] = twice(sum);
-	put_n(sum); put_c(32); put_n(pt.x + pt.y); put_c(32); put_n(buf[0]); put_c(32);
-	put_n(len3(text)); put_c(32); put_n(calls); put_c(32); put_n(half(r) * 4); put_c(10);
+	rt.put_n(sum); rt.put_c(32); rt.put_n(pt.x + pt.y); rt.put_c(32); rt.put_n(buf[0]); rt.put_c(32);
+	rt.put_n(len3(text)); rt.put_c(32); rt.put_n(calls); rt.put_c(32); rt.put_n(half(r) * 4); rt.put_c(10);
 	return 0;
 }