Fix bin/publish: copy docs.dist from project root

Fix bin/publish: use correct .env path for rspade_system
Fix bin/publish script: prevent grep exit code 1 from terminating script

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

node_modules/@bcoe/v8-coverage/dist/lib/index.d.ts

@@ -0,0 +1,6 @@
+export { emitForest, emitForestLines, parseFunctionRanges, parseOffsets } from "./ascii";
+export { cloneFunctionCov, cloneProcessCov, cloneScriptCov, cloneRangeCov } from "./clone";
+export { compareScriptCovs, compareFunctionCovs, compareRangeCovs } from "./compare";
+export { mergeFunctionCovs, mergeProcessCovs, mergeScriptCovs } from "./merge";
+export { RangeTree } from "./range-tree";
+export { ProcessCov, ScriptCov, FunctionCov, RangeCov } from "./types";