feat: 后端全量更新 - 含所有本次需求

- Contract.php: 返回合约账户余额(balance_contract)
- My.php: 地址管理增加BTC/ETH
- AppContract.php: 一键平仓(closeall)
- AppProxy.php: 代理专属注册链接 + 分级权限(L1/L2)
- site.php: 手续费减半(0.018→0.009)
- agent_permission_setup.sql: 代理权限SQL
- crypto_news_crawler.py: 新闻自动采集脚本

public/assets/libs/bootstrap/js/.jscsrc

@@ -0,0 +1,42 @@
+{
+  "disallowEmptyBlocks": true,
+  "disallowKeywords": ["with"],
+  "disallowMixedSpacesAndTabs": true,
+  "disallowMultipleLineStrings": true,
+  "disallowMultipleVarDecl": true,
+  "disallowQuotedKeysInObjects": "allButReserved",
+  "disallowSpaceAfterPrefixUnaryOperators": ["++", "--", "+", "-", "~", "!"],
+  "disallowSpaceBeforeBinaryOperators": [","],
+  "disallowSpaceBeforePostfixUnaryOperators": ["++", "--"],
+  "disallowSpacesInFunctionDeclaration": { "beforeOpeningRoundBrace": true },
+  "disallowSpacesInNamedFunctionExpression": { "beforeOpeningRoundBrace": true },
+  "disallowSpacesInsideArrayBrackets": true,
+  "disallowSpacesInsideParentheses": true,
+  "disallowTrailingComma": true,
+  "disallowTrailingWhitespace": true,
+  "requireCamelCaseOrUpperCaseIdentifiers": true,
+  "requireCapitalizedConstructors": true,
+  "requireCommaBeforeLineBreak": true,
+  "requireDollarBeforejQueryAssignment": true,
+  "requireDotNotation": true,
+  "requireLineFeedAtFileEnd": true,
+  "requirePaddingNewLinesAfterUseStrict": true,
+  "requirePaddingNewLinesBeforeExport": true,
+  "requireSpaceAfterBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!==", ">", "<", ">=", "<="],
+  "requireSpaceAfterKeywords": ["if", "else", "for", "while", "do", "switch", "return", "try", "catch"],
+  "requireSpaceAfterLineComment": true,
+  "requireSpaceBeforeBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!==", ">", "<", ">=", "<="],
+  "requireSpaceBetweenArguments": true,
+  "requireSpacesInAnonymousFunctionExpression": { "beforeOpeningCurlyBrace": true, "beforeOpeningRoundBrace": true },
+  "requireSpacesInConditionalExpression": true,
+  "requireSpacesInForStatement": true,
+  "requireSpacesInFunctionDeclaration": { "beforeOpeningCurlyBrace": true },
+  "requireSpacesInFunctionExpression": { "beforeOpeningCurlyBrace": true },
+  "requireSpacesInNamedFunctionExpression": { "beforeOpeningCurlyBrace": true },
+  "requireSpacesInsideObjectBrackets": "allButNested",
+  "validateAlignedFunctionParameters": true,
+  "validateIndentation": 2,
+  "validateLineBreaks": "LF",
+  "validateNewlineAfterArrayElements": true,
+  "validateQuoteMarks": "'"
+}