chore: remove old chain pages, reorder upgrades list

docs/agents.md

@@ -79,7 +79,7 @@ npx skills add base/base-skills
 |base-chain/api-reference/ethereum-json-rpc-api:eth_blockNumber,eth_call,eth_chainId,eth_estimateGas,eth_feeHistory,eth_gasPrice,eth_getBalance,eth_getBlockByHash,eth_getBlockByNumber,eth_getBlockReceipts,eth_getBlockTransactionCountByHash,eth_getBlockTransactionCountByNumber,eth_getCode,eth_getLogs,eth_getStorageAt,eth_getTransactionByBlockHashAndIndex,eth_getTransactionByBlockNumberAndIndex,eth_getTransactionByHash,eth_getTransactionCount,eth_getTransactionReceipt,eth_maxPriorityFeePerGas,eth_sendRawTransaction,eth_subscribe,eth_syncing,eth_unsubscribe,net_version,web3_clientVersion
 |base-chain/api-reference/flashblocks-api:base_transactionStatus,eth_simulateV1,flashblocks-api-overview,newFlashblockTransactions,newFlashblocks,pendingLogs
 |base-chain/flashblocks:app-integration,architecture,faq,overview
-|base-chain/network-information:base-contracts,block-building,bridges,configuration-changelog,diffs-ethereum-base,ecosystem-contracts,network-faucets,network-fees,transaction-finality,troubleshooting-transactions
+|base-chain/network-information:base-contracts,block-building,bridges,configuration-changelog,diffs-ethereum-base,network-faucets,network-fees,transaction-finality,troubleshooting-transactions
 |base-chain/node-operators:base-v1-upgrade,node-providers,performance-tuning,run-a-base-node,snapshots,troubleshooting
 |base-chain/quickstart:base-solana-bridge,connecting-to-base,deploy-on-base,why-base
 |base-chain/security:avoid-malicious-flags,bug-bounty,report-vulnerability,security-council
@@ -102,6 +102,5 @@ npx skills add base/base-skills
 |base-chain/specs/upgrades/holocene:derivation,exec-engine,overview,system-config
 |base-chain/specs/upgrades/isthmus:derivation,exec-engine,l1-attributes,overview,predeploys,system-config
 |base-chain/specs/upgrades/jovian:derivation,exec-engine,l1-attributes,overview,system-config
-|base-chain/specs/upgrades/pectra-blob-schedule:derivation,overview
 |get-started:base-mentorship-program,base-services-hub,base,block-explorers,concepts,country-leads-and-ambassadors,data-indexers,deploy-smart-contracts,docs-llms,docs-mcp,get-funded,launch-token,learning-resources,prompt-library,resources-for-ai-agents
 |root:agents,changes,cookie-policy,privacy-policy,terms-of-service,tone_of_voice

docs/base-chain/llms-full.txt

@@ -25,7 +25,6 @@
 ### Network Information
 - [Base Contracts](https://docs.base.org/base-chain/network-information/base-contracts.md) — Canonical addresses
 - [Network Fees](https://docs.base.org/base-chain/network-information/network-fees.md) — Fee model
-- [Ecosystem Contracts](https://docs.base.org/base-chain/network-information/ecosystem-contracts.md) — Third‑party addresses
 - [Block Building](https://docs.base.org/base-chain/network-information/block-building.md) — Block production
 - [Diffs vs Ethereum](https://docs.base.org/base-chain/network-information/diffs-ethereum-base.md) — Differences from L1
 - [Bridges](https://docs.base.org/base-chain/network-information/bridges.md) — Bridges
@@ -96,7 +95,6 @@
 - [Delta](https://docs.base.org/base-chain/specs/upgrades/delta/overview.md) — Span batches for efficient L1 data posting
 - [Canyon](https://docs.base.org/base-chain/specs/upgrades/canyon/overview.md) — Ethereum Shanghai EIPs (EIP-3651, EIP-3855, EIP-3860)
 - [Azul](https://docs.base.org/base-chain/specs/upgrades/azul/overview.md) — Osaka EVM support and multi-proof system
-- [Pectra Blob Schedule](https://docs.base.org/base-chain/specs/upgrades/pectra-blob-schedule/overview.md) — Optional delay of Ethereum blob count schedule changes
 
 ### Security
 - [Security Council](https://docs.base.org/base-chain/security/security-council.md) — Security governance

docs/base-chain/llms.txt

@@ -55,14 +55,14 @@
 - [Configurability](https://docs.base.org/base-chain/specs/reference/configurability.md) — Consensus, policy, admin, and sequencer parameters
 
 ### Upgrade Specs
+- [Azul](https://docs.base.org/base-chain/specs/upgrades/azul/overview.md) — Osaka EVM support and multi-proof system
 - [Jovian](https://docs.base.org/base-chain/specs/upgrades/jovian/overview.md) — Configurable minimum base fee and DA footprint scalar
 - [Isthmus](https://docs.base.org/base-chain/specs/upgrades/isthmus/overview.md) — Pectra EIPs and operator fee mechanism
 - [Holocene](https://docs.base.org/base-chain/specs/upgrades/holocene/overview.md) — Dynamic EIP-1559 parameters and stricter derivation rules
 - [Granite](https://docs.base.org/base-chain/specs/upgrades/granite/overview.md) — bn256Pairing precompile restrictions and channel timeout changes
 - [Fjord](https://docs.base.org/base-chain/specs/upgrades/fjord/overview.md) — FastLZ L1 fee estimation and brotli channel compression
 - [Ecotone](https://docs.base.org/base-chain/specs/upgrades/ecotone/overview.md) — EIP-4844 blob support and Dencun integration
 - [Delta](https://docs.base.org/base-chain/specs/upgrades/delta/overview.md) — Span batches for compressed L1 data posting
-- [Azul](https://docs.base.org/base-chain/specs/upgrades/azul/overview.md) — Osaka EVM support and multi-proof system
 
 ## Security
 - [Report a Vulnerability](https://docs.base.org/base-chain/security/report-vulnerability.md) — Security contact and disclosure
@@ -74,6 +74,3 @@
 - [App Developers](https://docs.base.org/apps/builder-codes/app-developers.md) — Builder Codes for app developers
 - [Wallet Developers](https://docs.base.org/apps/builder-codes/wallet-developers.md) — Builder Codes for wallet developers
 - [Agent Developers](https://docs.base.org/apps/builder-codes/agent-developers.md) — Attribute AI agent transactions to your identity on Base
-
-## Optional
-- [Ecosystem Contracts](https://docs.base.org/base-chain/network-information/ecosystem-contracts.md) — Common ecosystem contract addresses