chore(release): prepare v0.30.0

Assisted-by: DeepSeek V4 Pro

docs/ARCHITECTURE.md

@@ -302,7 +302,8 @@ verbatim) is captured from the installed `go tool asm`, so the output is
 always consistent with the toolchain that links it.  RISC-V and LoongArch
 GOOBJ emission share this emitter: the loong64 marker with
 R_LOONG64_ADDR_HI/LO relocation types, and the riscv64 marker with a single
-R_RISCV_PCREL_ITYPE/STYPE relocation per AUIPC pair — the model `cmd/asm`
+R_RISCV_PCREL_ITYPE/STYPE relocation per AUIPC pair (plus `R_RISCV_JAL` for
+`CALL sym(SB)`) — the model `cmd/asm`
 writes, not the ELF HI20/LO12 pair — and both link into a real `go build` for
 their `GOARCH`.  Per function, the emitter also writes the two DWARF
 symbols the linker's DWARF pass reads verbatim — the subprogram DIE

docs/development.md

@@ -4,7 +4,7 @@ Repository: [sourcedock.dev/petrbalvin/gasm-devkit](https://sourcedock.dev/petrb
 
 ## Prerequisites
 
-- **Go** 1.26+ with `toolchain go1.26.5`
+- **Go** 1.27+ with `toolchain go1.27rc1`
 - **just** — the command runner; every task below is a just recipe
 - No external dependencies beyond the Go toolchain