refactor: consolidate CI and local dev orchestration (#108)

## Summary
- Extract shared bootstrap functions into `scripts/bootstrap-common.sh` (eliminates ~120 lines of duplicated forge/cast commands from e2e.yml)
- Create reusable `scripts/wait-for-service.sh` for health checks (replaces 60-line inline wait-for-stack)
- Merge dev and CI entrypoints into unified scripts branching on `CI` env var (delete `docker/ci-entrypoints/`)
- Replace 4 per-service CI Dockerfiles with parameterized `docker/Dockerfile.service-ci`
- Add `sync-tax-rates.mjs` to CI image builder stage
- Fix: CI now grants txnBot recenter access (was missing)
- Fix: txnBot funding parameterized (CI=10eth, local=1eth)
- Delete 5 obsolete migration docs and 4 DinD integration files

Net: -1540 lines removed

Closes #107

## Test plan
- [ ] E2E pipeline passes (bootstrap sources shared script, services use old images with commands override)
- [ ] build-ci-images pipeline builds all 4 services with unified Dockerfile
- [ ] Local dev stack boots via `./scripts/dev.sh start`

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

Co-authored-by: openhands <openhands@all-hands.dev>
Reviewed-on: https://codeberg.org/johba/harb/pulls/108

scripts/build-ci-images.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
-# Build and push CI images for E2E testing
+# Build CI images locally using the unified Dockerfile.service-ci
+# For CI pipeline builds, see .woodpecker/build-ci-images.yml
 set -euo pipefail
 
 cd "$(dirname "$0")/.."
@@ -15,7 +16,12 @@ echo "Tag: $TAG"
 echo ""
 echo "=== Building ponder-ci ==="
 docker build \
-  -f docker/Dockerfile.ponder-ci \
+  -f docker/Dockerfile.service-ci \
+  --build-arg SERVICE_DIR=services/ponder \
+  --build-arg SERVICE_PORT=42069 \
+  --build-arg ENTRYPOINT_SCRIPT=containers/ponder-entrypoint.sh \
+  --build-arg HEALTHCHECK_RETRIES=12 \
+  --build-arg HEALTHCHECK_START=20s \
   -t "$REGISTRY/harb/ponder-ci:$TAG" \
   .
 
@@ -23,7 +29,15 @@ docker build \
 echo ""
 echo "=== Building webapp-ci ==="
 docker build \
-  -f docker/Dockerfile.webapp-ci \
+  -f docker/Dockerfile.service-ci \
+  --build-arg SERVICE_DIR=web-app \
+  --build-arg SERVICE_PORT=5173 \
+  --build-arg HEALTHCHECK_PATH=/app/ \
+  --build-arg HEALTHCHECK_RETRIES=84 \
+  --build-arg HEALTHCHECK_START=15s \
+  --build-arg ENTRYPOINT_SCRIPT=containers/webapp-entrypoint.sh \
+  --build-arg NODE_ENV=development \
+  --build-arg NEEDS_SYMLINKS=true \
   -t "$REGISTRY/harb/webapp-ci:$TAG" \
   .
 
@@ -31,7 +45,13 @@ docker build \
 echo ""
 echo "=== Building landing-ci ==="
 docker build \
-  -f docker/Dockerfile.landing-ci \
+  -f docker/Dockerfile.service-ci \
+  --build-arg SERVICE_DIR=landing \
+  --build-arg SERVICE_PORT=5174 \
+  --build-arg ENTRYPOINT_SCRIPT=containers/landing-ci-entrypoint.sh \
+  --build-arg NODE_ENV=development \
+  --build-arg HEALTHCHECK_RETRIES=6 \
+  --build-arg HEALTHCHECK_START=10s \
   -t "$REGISTRY/harb/landing-ci:$TAG" \
   .
 
@@ -39,7 +59,14 @@ docker build \
 echo ""
 echo "=== Building txnbot-ci ==="
 docker build \
-  -f docker/Dockerfile.txnbot-ci \
+  -f docker/Dockerfile.service-ci \
+  --build-arg SERVICE_DIR=services/txnBot \
+  --build-arg SERVICE_PORT=43069 \
+  --build-arg HEALTHCHECK_PATH=/status \
+  --build-arg HEALTHCHECK_RETRIES=4 \
+  --build-arg HEALTHCHECK_START=10s \
+  --build-arg ENTRYPOINT_SCRIPT=containers/txnbot-entrypoint.sh \
+  --build-arg NPM_INSTALL_CMD=install \
   -t "$REGISTRY/harb/txnbot-ci:$TAG" \
   .