chore: normalize section spacing in changelog generation script to prevent extra blank lines

Author: jfrank-summit

CHANGELOG.md

@@ -2,7 +2,6 @@
 
 Future changes will appear here.
 
-
 ## [1.6.0] - 2025-11-12
 
 ### Features
@@ -38,7 +37,6 @@ Future changes will appear here.
 
 - release v1.5.18 ([#485](https://github.com/autonomys/auto-sdk/pull/485)) [@clostao](https://github.com/clostao)
 
-
 ## [1.5.18] - 2025-09-24
 
 ### Features
@@ -51,7 +49,6 @@ Future changes will appear here.
 
 - v1.5.17 ([#476](https://github.com/autonomys/auto-sdk/pull/476)) [@jfrank-summit](https://github.com/jfrank-summit)
 
-
 ## [1.5.17] - 2025-09-22
 
 ### Features
@@ -62,7 +59,6 @@ Future changes will appear here.
 
 - v1.5.16 ([#473](https://github.com/autonomys/auto-sdk/pull/473)) [@jfrank-summit](https://github.com/jfrank-summit)
 
-
 ## [1.5.16] - 2025-09-18
 
 ### Features
@@ -77,7 +73,6 @@ Future changes will appear here.
 
 - v1.5.15 ([#470](https://github.com/autonomys/auto-sdk/pull/470)) [@jfrank-summit](https://github.com/jfrank-summit)
 
-
 ## [1.5.15] - 2025-09-10
 
 ### Features
@@ -93,7 +88,6 @@ Future changes will appear here.
 
 - v1.5.14 ([#465](https://github.com/autonomys/auto-sdk/pull/465)) [@jfrank-summit](https://github.com/jfrank-summit)
 
-
 ## [1.5.14] - 2025-08-08
 
 ### Features
@@ -104,7 +98,6 @@ Future changes will appear here.
 
 - v1.5.13 ([#461](https://github.com/autonomys/auto-sdk/pull/461)) [@jfrank-summit](https://github.com/jfrank-summit)
 
-
 ## [1.5.13] - 2025-08-08
 
 ### Features
@@ -119,7 +112,6 @@ Future changes will appear here.
 
 - update dependency @polkadot/extension-inject to ^0.58.9 ([#358](https://github.com/autonomys/auto-sdk/pull/358)) [@renovate[bot]](https://github.com/apps/renovate)
 
-
 ## [1.5.12] - 2025-07-29
 
 ### Features
@@ -134,14 +126,12 @@ Future changes will appear here.
 - fix changelog generator ([#452](https://github.com/autonomys/auto-sdk/pull/452)) [@clostao](https://github.com/clostao)
 - update dependency eslint-config-prettier to ^10.1.5 ([#370](https://github.com/autonomys/auto-sdk/pull/370)) [@renovate[bot]](https://github.com/apps/renovate)
 
-
 ## [1.5.11] - 2025-07-21
 
 ### Features
 
 - add get node method ([#454](https://github.com/autonomys/auto-sdk/pull/454)) [@clostao](https://github.com/clostao)
 
-
 ## [1.5.10] - 2025-07-17
 
 ### Features
@@ -152,14 +142,12 @@ Future changes will appear here.
 
 - release v1.5.9 ([#451](https://github.com/autonomys/auto-sdk/pull/451)) [@jfrank-summit](https://github.com/jfrank-summit)
 
-
 ## [1.5.9] - 2025-07-15
 
 ### Features
 
 - simplify `nominatorPosition` to use runtime api ([#450](https://github.com/autonomys/auto-sdk/pull/450)) [@jfrank-summit](https://github.com/jfrank-summit)
 
-
 ## [1.5.8] - 2025-07-15
 
 ### Features
@@ -174,14 +162,12 @@ Future changes will appear here.
 
 - bump version to v1.5.7 ([#445](https://github.com/autonomys/auto-sdk/pull/445)) [@clostao](https://github.com/clostao)
 
-
 ## [1.5.7] - 2025-07-09
 
 ### Code Refactoring
 
 - update sdk structure for avoid deps issues ([#443](https://github.com/autonomys/auto-sdk/pull/443)) [@clostao](https://github.com/clostao)
 
-
 ## [1.5.6] - 2025-07-08
 
 ### Features
@@ -192,15 +178,13 @@ Future changes will appear here.
 
 - v1.5.5 ([#441](https://github.com/autonomys/auto-sdk/pull/441)) [@jfrank-summit](https://github.com/jfrank-summit)
 
-
 ## [1.5.5] - 2025-07-02
 
 ### Features
 
 - add headDomainNumber function to retrieve latest block number for a specific domain ([#440](https://github.com/autonomys/auto-sdk/pull/440)) [@jfrank-summit](https://github.com/jfrank-summit)
 - add storage fee refund to pending withdrawals ([#439](https://github.com/autonomys/auto-sdk/pull/439)) [@jfrank-summit](https://github.com/jfrank-summit)
 
-
 ## [1.5.4] - 2025-07-01
 
 ### Features
@@ -211,7 +195,6 @@ Future changes will appear here.
 
 - v1.5.3 ([#437](https://github.com/autonomys/auto-sdk/pull/437)) [@clostao](https://github.com/clostao)
 
-
 ## [1.5.3] - 2025-07-01
 
 ### Features
@@ -232,7 +215,6 @@ Future changes will appear here.
 
 - Chore v1.5.2 ([#431](https://github.com/autonomys/auto-sdk/pull/431)) [@clostao](https://github.com/clostao)
 
-
 ## [1.5.2] - 2025-06-24
 
 ### Features
@@ -243,7 +225,6 @@ Future changes will appear here.
 
 - downloads should be perfomed in raw mode ([#430](https://github.com/autonomys/auto-sdk/pull/430)) [@clostao](https://github.com/clostao)
 
-
 ## [1.5.1] - 2025-06-19
 
 ### Features
@@ -254,7 +235,6 @@ Future changes will appear here.
 
 - bump to v1.5.0 ([#426](https://github.com/autonomys/auto-sdk/pull/426)) [@clostao](https://github.com/clostao)
 
-
 ## [1.5.0] - 2025-06-13
 
 ### Features
@@ -271,7 +251,6 @@ Future changes will appear here.
 - remove Marc-Aurele from codeowners file ([#422](https://github.com/autonomys/auto-sdk/pull/422)) [@marc-aurele-besner](https://github.com/marc-aurele-besner)
 - v1.4.35 ([#421](https://github.com/autonomys/auto-sdk/pull/421)) [@clostao](https://github.com/clostao)
 
-
 ## [1.4.35] - 2025-05-29
 
 ### Features
@@ -282,7 +261,6 @@ Future changes will appear here.
 
 - bump to v1.4.34 ([#420](https://github.com/autonomys/auto-sdk/pull/420)) [@clostao](https://github.com/clostao)
 
-
 ## [1.4.34] - 2025-05-29
 
 ### Features
@@ -293,7 +271,6 @@ Future changes will appear here.
 
 - bump version to v1.4.33 ([#418](https://github.com/autonomys/auto-sdk/pull/418)) [@clostao](https://github.com/clostao)
 
-
 ## [1.4.33] - 2025-05-28
 
 ### Bug Fixes
@@ -304,7 +281,6 @@ Future changes will appear here.
 
 - v1.4.32 ([#417](https://github.com/autonomys/auto-sdk/pull/417)) [@clostao](https://github.com/clostao)
 
-
 ## [1.4.32] - 2025-05-28
 
 ### Features
@@ -419,7 +395,6 @@ Future changes will appear here.
 
 - Update dependency cache-manager to ^6.4.2 ([#365](https://github.com/autonomys/auto-sdk/pull/365)) [@renovate[bot]](https://github.com/apps/renovate)
 
-
 ## [1.4.31] - 2025-05-14
 
 ### Features

scripts/generate-pr-changelog.js

@@ -390,7 +390,9 @@ function rebuildChangelog(sections, header) {
 
   let content = header
   for (const section of sortedSections) {
-    content += section.content + '\n\n'
+    // Normalize section spacing to avoid extra blank lines between sections
+    const normalizedSection = (section.content || '').replace(/\s+$/g, '')
+    content += normalizedSection + '\n\n'
   }
 
   return content.trim()