chore: consolidate documentation — delete status/fix/progress cruft

Before: 335 tracked .md files; top level had 14 README-like docs;
docs/ contained ~234 files, most of them auto/LLM-generated status
reports (ALL_*_COMPLETE*, *_FIX*, DEPLOYMENT_*_FINAL*, etc.).

After: 132 tracked .md files. Repo now has exactly five top-level
docs: README.md, QUICKSTART.md, RUNBOOK.md, CONTRIBUTING.md,
CHANGELOG.md (moved up from docs/).

Keeper philosophy in docs/:
- API, CCIP (ops + security + receiver/router refs), Chainlist refs,
  compliance, deployment (guides not status), database connection,
  legal compliance, metamask integration, production checklist,
  tiered-architecture implementation/setup, reusable-components plan,
  token-mechanism doc, wrap-and-bridge operational reference, plus
  docs/specs/** and docs/api/ / docs/openapi/ trees.

Deleted (git history preserves provenance):
- All 'ALL_*_COMPLETE*' / '*_FIX*' / '*_FIXED*' / '*_FINAL*' /
  '*_STATUS*' / '*_PROGRESS*' / '*_SUMMARY*' files.
- BLOCKSCOUT_*_FIX / _CRASH / _INITIALIZATION / _SCHEMA / _YAML /
  _SKIP / _NEXT_STEPS / _START_AND_BUILD / _DATABASE_CREDENTIALS
  (the last contained passwords).
- CCIP_IMPLEMENTATION_* / CCIP_CURRENT_STATUS / CCIP_GAP_*
  (gap analyses are not a sustained reference).
- NPMPLUS_CREDENTIALS_GUIDE.md (contained creds).
- LETSENCRYPT_CONFIGURATION_GUIDE.md (contained creds; will be
  re-introduced as runbook content post-secrets-scrub).
- docs/diagnostic-reports/, docs/feature-flags/ (run-time artifacts).

README.md: dead links (START_HERE, README_DEPLOYMENT, COMPLETE_DEPLOYMENT,
DEPLOYMENT_COMPLETE_FINAL) replaced with links to the five canonical
top-level docs + docs/ index.

docs/REMAINING_TASKS_STATUS.md

@@ -1,172 +0,0 @@
-# Remaining Tasks Status
-
-**Date**: 2025-12-24  
-**Status**: Medium and Low Priority Tasks
-
----
-
-## ✅ Completed Tasks
-
-### Critical Priority (2/2) ✅
-- CCIPReceiver verified
-- OpenZeppelin installed
-
-### High Priority (12/12) ✅
-- All governance, reserve, and eMoney system contracts deployed
-
-### Low Priority (2/5) ✅
-- AddressMapper: Deployed (if contract exists)
-- MirrorManager: Deployed (if contract exists)
-
----
-
-## ⏳ Remaining Tasks
-
-### Medium Priority - CCIP Contracts on Other Networks
-
-#### Prerequisites Required
-
-For deploying CCIP contracts on other networks, the following are needed:
-
-1. **RPC URLs** for each network:
-   - Ethereum Mainnet RPC
-   - BSC RPC
-   - Polygon RPC
-   - Avalanche RPC
-   - Base RPC
-   - Arbitrum RPC
-   - Optimism RPC
-
-2. **Network-Specific Environment Variables**:
-   - `CCIP_ROUTER_<NETWORK>`
-   - `ORACLE_AGGREGATOR_<NETWORK>`
-   - `LINK_TOKEN_<NETWORK>`
-   - `RPC_URL_<NETWORK>`
-
-3. **Funding** on each network:
-   - Sufficient native tokens for gas
-   - LINK tokens for CCIP fees
-
-4. **Deployment Scripts** ✅ (Created):
-   - `DeployCCIPLoggerMainnet.s.sol`
-   - `DeployCCIPSenderMainnet.s.sol`
-   - `DeployCCIPReceiverMainnet.s.sol`
-
-#### Networks to Deploy
-
-1. **Ethereum Mainnet** (3 contracts)
-   - CCIPLogger
-   - CCIPSender
-   - CCIPReceiver
-
-2. **BSC** (3 contracts)
-   - CCIPLogger
-   - CCIPSender
-   - CCIPReceiver
-
-3. **Polygon** (3 contracts)
-   - CCIPLogger
-   - CCIPSender
-   - CCIPReceiver
-
-4. **Avalanche** (3 contracts)
-   - CCIPLogger
-   - CCIPSender
-   - CCIPReceiver
-
-5. **Base** (3 contracts)
-   - CCIPLogger
-   - CCIPSender
-   - CCIPReceiver
-
-6. **Arbitrum** (3 contracts)
-   - CCIPLogger
-   - CCIPSender
-   - CCIPReceiver
-
-7. **Optimism** (3 contracts)
-   - CCIPLogger
-   - CCIPSender
-   - CCIPReceiver
-
-#### Additional Medium Priority
-
-8. **CCIPMessageValidator**
-   - Status: Library (not a standalone contract)
-   - Action: No deployment needed
-
-9. **Price Feed Aggregator**
-   - Status: Check if contract exists
-   - Action: Deploy if available
-
-10. **Pausable Controller**
-    - Status: Check if contract exists
-    - Action: Deploy if available
-
----
-
-## 🔧 Deployment Instructions
-
-### For Each Network
-
-1. **Configure Environment Variables**:
-   ```bash
-   export RPC_URL_<NETWORK>=<network_rpc_url>
-   export CCIP_ROUTER_<NETWORK>=<network_ccip_router>
-   export ORACLE_AGGREGATOR_<NETWORK>=<network_oracle>
-   export LINK_TOKEN_<NETWORK>=<network_link_token>
-   ```
-
-2. **Deploy Contracts**:
-   ```bash
-   # CCIPLogger
-   forge script script/DeployCCIPLogger<Network>.s.sol \
-     --rpc-url $RPC_URL_<NETWORK> \
-     --broadcast --legacy --gas-price <gas_price>
-   
-   # CCIPSender
-   forge script script/DeployCCIPSender<Network>.s.sol \
-     --rpc-url $RPC_URL_<NETWORK> \
-     --broadcast --legacy --gas-price <gas_price>
-   
-   # CCIPReceiver
-   forge script script/DeployCCIPReceiver<Network>.s.sol \
-     --rpc-url $RPC_URL_<NETWORK> \
-     --broadcast --legacy --gas-price <gas_price>
-   ```
-
-3. **Update .env** with deployed addresses
-
----
-
-## 📊 Summary
-
-### Completed
-- **Critical**: 2/2 ✅
-- **High Priority**: 12/12 ✅
-- **Low Priority**: 2/5 ✅ (AddressMapper, MirrorManager)
-
-### Remaining
-- **Medium Priority**: 12/13 ⏳
-  - 21 CCIP contracts across 7 networks (requires network setup)
-  - 1 Price Feed Aggregator (if contract exists)
-  - 1 Pausable Controller (if contract exists)
-- **Low Priority**: 3/5 ⏳
-  - CCIPRouterOptimized
-  - Token Registry
-  - Fee Collector
-
----
-
-## 🎯 Next Steps
-
-1. **Configure network RPC URLs** in `.env`
-2. **Fund accounts** on each target network
-3. **Deploy CCIP contracts** on each network
-4. **Deploy remaining utility contracts** (if available)
-
----
-
-**Last Updated**: 2025-12-24  
-**Status**: Ready for cross-network deployments (requires network configuration)
-